feat(lessons): add lessons from client db
This commit is contained in:
shafin-r
429
src/pages/student/lessons/EBRWCommasLesson.tsx
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429
src/pages/student/lessons/EBRWCommasLesson.tsx
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import React, { useRef, useState, useEffect } from "react";
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import { ArrowDown, Check, BookOpen, AlertTriangle, Zap } from "lucide-react";
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import { PracticeFromDataset } from "../../../components/lessons/LessonShell";
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import {
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BOUNDARIES_EASY,
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BOUNDARIES_MEDIUM,
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} from "../../../data/rw/boundaries";
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import ClauseBreakdownWidget, {
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type ClauseExample,
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} from "../../../components/lessons/ClauseBreakdownWidget";
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import DecisionTreeWidget, {
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type TreeScenario,
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type TreeNode,
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} from "../../../components/lessons/DecisionTreeWidget";
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interface LessonProps {
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onFinish?: () => void;
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}
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// ── Clause Breakdown data ──────────────────────────────────────────────────
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const CLAUSE_EXAMPLES: ClauseExample[] = [
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{
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title: "Rule 1 — FANBOYS Comma",
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segments: [
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{
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text: "The study was carefully designed",
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type: "ic",
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label: "Independent Clause",
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},
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{ text: ",", type: "punct" },
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{ text: " but", type: "conjunction", label: "FANBOYS Conjunction" },
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{
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text: " the results were inconclusive",
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type: "ic",
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label: "Independent Clause",
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},
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{ text: ".", type: "punct" },
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],
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},
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{
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title: "Rule 2 — Introductory Element",
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segments: [
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{
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text: "After reviewing the data",
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type: "modifier",
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label: "Introductory Phrase",
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},
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{ text: ",", type: "punct" },
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{
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text: " the researchers revised their hypothesis",
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type: "ic",
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label: "Main Clause",
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},
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{ text: ".", type: "punct" },
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],
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},
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{
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title: "Rule 3 — Nonessential Phrase",
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segments: [
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{ text: "The experiment", type: "subject", label: "Subject" },
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{ text: ",", type: "punct" },
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{
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text: " conducted in 2021",
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type: "modifier",
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label: "Nonessential Phrase",
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},
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{ text: ",", type: "punct" },
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{ text: " yielded unexpected results", type: "verb", label: "Predicate" },
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{ text: ".", type: "punct" },
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],
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},
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];
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// ── Decision Tree data ─────────────────────────────────────────────────────
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const NO_FANBOYS_SUBTREE: TreeNode = {
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id: "no-fanboys",
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question:
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"Can BOTH sides stand alone as complete sentences (independent clauses)?",
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hint: "Check each side for its own subject + verb. A phrase or fragment cannot stand alone.",
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yesLabel: "Yes — both sides are complete sentences",
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noLabel: "No — one side is a phrase/fragment",
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yes: {
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id: "comma-splice",
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result:
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"⚠ Comma Splice! A comma alone cannot join two independent clauses. Fix: add a FANBOYS conjunction after the comma, or replace the comma with a semicolon.",
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resultType: "warning",
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ruleRef: "Fix: [IC]; [IC] or [IC], [FANBOYS] [IC]",
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},
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no: {
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id: "no-fanboys-no-two-ic",
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question:
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"Is there an introductory element (phrase or clause) at the START of the sentence?",
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hint: 'Introductory elements include: participial phrases ("Running quickly"), prepositional phrases ("After the meeting"), or adverb clauses ("Because she studied").',
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yesLabel: "Yes — opens with an introductory phrase/clause",
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noLabel: "No — sentence starts with the subject",
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yes: {
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id: "intro-element",
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result:
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"✓ Use a comma AFTER the introductory element to separate it from the main clause.",
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resultType: "correct",
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ruleRef: "[Introductory element], [Main clause]",
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},
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no: {
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id: "no-intro",
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question:
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"Is there a nonessential phrase in the MIDDLE that can be removed without changing the core meaning?",
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hint: "Removal test: delete the phrase — does the sentence still make complete sense? If yes, it's nonessential.",
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yesLabel: "Yes — removable nonessential phrase",
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noLabel: "No — no removable phrase",
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yes: {
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id: "nonessential",
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result:
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"✓ Use a comma on EACH SIDE of the nonessential phrase (two commas total).",
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resultType: "correct",
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ruleRef: "[Subject], [nonessential phrase], [predicate]",
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},
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no: {
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id: "no-comma",
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result:
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"✓ No comma needed here. Commas are only used for FANBOYS, introductory elements, nonessential info, or lists.",
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resultType: "info",
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ruleRef: "No comma — essential or uninterrupted structure",
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},
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},
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},
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};
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const COMMA_TREE: TreeNode = {
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id: "root",
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question:
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"Is there a FANBOYS conjunction (for, and, nor, but, or, yet, so) in this sentence?",
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hint: "Scan for these 7 words: For · And · Nor · But · Or · Yet · So",
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yesLabel: "Yes — there's a FANBOYS word",
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noLabel: "No FANBOYS conjunction",
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yes: {
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id: "has-fanboys",
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question:
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"Can BOTH sides of the conjunction stand alone as complete sentences?",
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hint: "Cover each side with your hand. Can it stand alone with its own subject and verb?",
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yesLabel: "Yes — both sides are complete sentences",
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noLabel: "No — one side is a phrase or fragment",
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yes: {
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id: "fanboys-both-ic",
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result: "✓ Use a comma BEFORE the FANBOYS conjunction.",
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resultType: "correct",
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ruleRef: "[Independent Clause], [FANBOYS] [Independent Clause]",
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},
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no: {
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id: "fanboys-not-both-ic",
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result:
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"✗ No comma needed before the conjunction. It is not joining two independent clauses.",
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resultType: "warning",
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ruleRef: "[IC] [FANBOYS] [phrase] — no comma",
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},
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},
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no: NO_FANBOYS_SUBTREE,
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};
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const TREE_SCENARIOS: TreeScenario[] = [
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{
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label: "Sentence 1",
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sentence:
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"The study was carefully designed, the results were inconclusive.",
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tree: COMMA_TREE,
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},
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{
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label: "Sentence 2",
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sentence:
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"After reviewing the data the researchers revised their hypothesis.",
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tree: COMMA_TREE,
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},
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{
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label: "Sentence 3",
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sentence: "The experiment conducted in 2021 yielded unexpected results.",
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tree: COMMA_TREE,
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},
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];
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// ── Lesson component ───────────────────────────────────────────────────────
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const EBRWCommasLesson: React.FC<LessonProps> = ({ onFinish }) => {
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const [activeSection, setActiveSection] = useState(0);
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const sectionsRef = useRef<(HTMLElement | null)[]>([]);
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useEffect(() => {
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const observers: IntersectionObserver[] = [];
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sectionsRef.current.forEach((el, idx) => {
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if (!el) return;
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const obs = new IntersectionObserver(
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([entry]) => {
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if (entry.isIntersecting) setActiveSection(idx);
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},
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{ threshold: 0.3 },
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);
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obs.observe(el);
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observers.push(obs);
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});
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return () => observers.forEach((o) => o.disconnect());
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}, []);
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const scrollToSection = (index: number) => {
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setActiveSection(index);
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sectionsRef.current[index]?.scrollIntoView({ behavior: "smooth" });
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};
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const SectionMarker = ({
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index,
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title,
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icon: Icon,
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}: {
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index: number;
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title: string;
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icon: React.ElementType;
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}) => {
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const isActive = activeSection === index;
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const isPast = activeSection > index;
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return (
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<button
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onClick={() => scrollToSection(index)}
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className={`flex items-center gap-3 p-3 w-full rounded-lg text-left transition-all ${isActive ? "bg-purple-50" : "hover:bg-slate-50"}`}
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>
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<div
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className={`w-8 h-8 rounded-full flex items-center justify-center shrink-0
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${isActive ? "bg-purple-600 text-white" : isPast ? "bg-purple-400 text-white" : "bg-slate-200 text-slate-500"}`}
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>
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{isPast ? (
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<Check className="w-4 h-4" />
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) : (
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<Icon className="w-4 h-4" />
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)}
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</div>
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<p
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className={`text-sm font-bold ${isActive ? "text-purple-900" : "text-slate-600"}`}
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>
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{title}
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</p>
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</button>
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);
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};
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return (
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<div className="flex flex-col lg:flex-row min-h-screen">
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<aside className="w-full lg:w-64 lg:fixed lg:top-14 lg:bottom-0 lg:overflow-y-auto p-4 border-r border-slate-200 bg-slate-50 z-0 hidden lg:block">
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<nav className="space-y-2 pt-6">
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<SectionMarker index={0} title="Clause Anatomy" icon={BookOpen} />
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<SectionMarker
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index={1}
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title="Decision Tree Lab"
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icon={AlertTriangle}
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/>
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<SectionMarker index={2} title="Practice Questions" icon={Zap} />
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</nav>
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</aside>
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<div className="flex-1 lg:ml-64 p-6 md:p-12 max-w-4xl mx-auto">
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{/* Section 0 — Concept + Clause Breakdown */}
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<section
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ref={(el) => {
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sectionsRef.current[0] = el;
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}}
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className="min-h-screen flex flex-col justify-center mb-24 pt-20 lg:pt-0"
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>
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<div className="inline-flex items-center gap-2 bg-purple-100 text-purple-700 px-3 py-1 rounded-full text-xs font-bold uppercase tracking-wider mb-4 w-fit">
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Standard English Conventions
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</div>
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<h2 className="text-4xl font-extrabold text-slate-900 mb-2">
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Punctuation: Commas
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</h2>
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<p className="text-lg text-slate-500 mb-8">
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See how sentences are built — then learn exactly where commas go.
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</p>
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{/* Rule summary */}
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<div className="grid grid-cols-1 sm:grid-cols-2 gap-4 mb-8">
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{[
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{
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num: 1,
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rule: "FANBOYS",
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desc: "Comma before for/and/nor/but/or/yet/so when joining two complete sentences.",
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},
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{
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num: 2,
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rule: "Introductory Element",
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desc: "Comma after any word, phrase, or clause that opens the sentence.",
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},
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{
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num: 3,
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rule: "Nonessential Phrase",
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desc: "Two commas around any removable mid-sentence insertion.",
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},
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{
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num: 4,
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rule: "Lists of 3+",
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desc: "Commas between items in a series; SAT prefers the Oxford comma.",
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},
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].map((r) => (
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<div
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key={r.num}
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className="bg-purple-50 border border-purple-200 rounded-xl p-4"
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>
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<div className="flex items-center gap-2 mb-1">
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<span className="w-6 h-6 rounded-full bg-purple-600 text-white flex items-center justify-center text-xs font-bold shrink-0">
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{r.num}
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</span>
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<span className="font-bold text-purple-900 text-sm">
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{r.rule}
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</span>
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</div>
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<p className="text-xs text-slate-600 ml-8">{r.desc}</p>
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</div>
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))}
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</div>
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{/* Clause Breakdown */}
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<h3 className="text-xl font-bold text-slate-800 mb-3">
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Sentence Anatomy
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</h3>
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<p className="text-sm text-slate-500 mb-4">
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Hover over any colored span to see its label. Use the tabs to switch
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between examples.
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</p>
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<ClauseBreakdownWidget
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examples={CLAUSE_EXAMPLES}
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accentColor="purple"
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/>
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<div className="mt-6 bg-purple-900 text-white rounded-2xl p-5">
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<p className="font-bold mb-1">Golden Rule</p>
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<p className="text-sm text-purple-100">
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A comma alone can <em>never</em> join two independent clauses —
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that's a comma splice. Every comma needs a job: FANBOYS, intro
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element, nonessential info, or list.
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</p>
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</div>
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<button
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onClick={() => scrollToSection(1)}
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className="mt-12 group flex items-center text-purple-600 font-bold hover:text-purple-800 transition-colors"
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>
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Next: Decision Tree Lab{" "}
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<ArrowDown className="ml-2 w-5 h-5 group-hover:translate-y-1 transition-transform" />
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</button>
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</section>
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{/* Section 1 — Decision Tree */}
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<section
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ref={(el) => {
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sectionsRef.current[1] = el;
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}}
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className="min-h-screen flex flex-col justify-center mb-24"
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>
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<h2 className="text-4xl font-extrabold text-slate-900 mb-2">
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Decision Tree Lab
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</h2>
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<p className="text-lg text-slate-500 mb-8">
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Work through the grammar logic one question at a time. Click your
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answer at each step.
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</p>
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{/* Trap callouts */}
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<div className="space-y-3 mb-8">
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{[
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{
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label: "Comma Splice",
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desc: "Two full sentences joined by a comma alone. The most tested comma error.",
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},
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{
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label: "Missing Second Comma",
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desc: "Nonessential phrases need a comma on EACH side — never just one.",
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},
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{
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label: "Subject–Verb Comma",
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desc: "Never put a single comma between a subject and its verb.",
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},
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].map((t) => (
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<div
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key={t.label}
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className="flex gap-3 bg-red-50 border border-red-200 rounded-xl px-4 py-3"
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>
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<AlertTriangle className="w-4 h-4 text-red-500 shrink-0 mt-0.5" />
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<div>
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<p className="text-sm font-bold text-red-800">{t.label}</p>
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<p className="text-xs text-slate-600 mt-0.5">{t.desc}</p>
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</div>
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</div>
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))}
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</div>
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<DecisionTreeWidget scenarios={TREE_SCENARIOS} accentColor="purple" />
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<button
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onClick={() => scrollToSection(2)}
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className="mt-12 group flex items-center text-purple-600 font-bold hover:text-purple-800 transition-colors"
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>
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Next: Practice Questions{" "}
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<ArrowDown className="ml-2 w-5 h-5 group-hover:translate-y-1 transition-transform" />
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</button>
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</section>
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{/* Section 2 — Quiz */}
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<section
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ref={(el) => {
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sectionsRef.current[2] = el;
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}}
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className="min-h-screen flex flex-col justify-center mb-24"
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>
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<h2 className="text-4xl font-extrabold text-slate-900 mb-6">
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Practice Questions
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</h2>
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{BOUNDARIES_EASY.slice(0, 2).map((q) => (
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<PracticeFromDataset key={q.id} question={q} color="purple" />
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))}
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{BOUNDARIES_MEDIUM.slice(0, 1).map((q) => (
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<PracticeFromDataset key={q.id} question={q} color="purple" />
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))}
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<div className="mt-8 text-center">
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<button
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onClick={onFinish}
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className="px-6 py-3 bg-purple-900 text-white font-bold rounded-full hover:bg-purple-700 transition-colors"
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>
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Finish Lesson ✓
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</button>
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</div>
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</section>
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</div>
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</div>
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);
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};
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export default EBRWCommasLesson;
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Reference in New Issue
Block a user