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["This JavaScript runs. What happens? `let x = 5; if (x = = 3) console.log(\"yes\");`",["yes","undefined","SyntaxError","FALSE"],2,"C","test","Buggy code","eng_Latn","","JavaScript","JavaScript spaced operator",2]
["What error occurs with this Java code? `if (true) System.out.println(\"A\") System.out.println(\"B\");`",["Compilation error","A","B","AB"],0,"A","test","Buggy code","eng_Latn","","Java","Java missing semicolon",3]
["What happens when this Python code executes? `def func():\\n\\tx = 1\\n    return x`",["1","IndentationError","TabError","SyntaxError"],1,"B","test","Buggy code","eng_Latn","","Python","Tab/space mixing",4]
["This C code compiles to: `int x = 5 printf(\"%d\", x);`",["5","Compilation error","Segmentation fault","Runtime error"],1,"B","test","Buggy code","eng_Latn","","C","Missing semicolon",5]
["What does this JavaScript output? `function test() { return x == = 5; }`",["TRUE","FALSE","undefined","SyntaxError"],3,"D","test","Buggy code","eng_Latn","","JavaScript","Spaced equality operator",6]
["Running this Java method gives: `if ((flag)) count++ System.out.println(count);`",["1","count","Compilation error","NullPointerException"],2,"C","test","Buggy code","eng_Latn","","Java","Missing semicolon",7]
["This Python code results in: `name = \"John\"\"`",["SyntaxError","John","John","NameError"],0,"A","test","Buggy code","eng_Latn","","Python","Smart quotes",8]
["What happens with this C array access? `int arr[3] = {1,2,3}; printf(\"%d\", arr(0));`",["1","0","Compilation error","Segmentation fault"],2,"C","test","Buggy code","eng_Latn","","C","Wrong array syntax",9]
["This JavaScript array declaration produces: `let nums = [1 , 2 , 3;`",["[1,2,3]","SyntaxError","undefined","TypeError"],1,"B","test","Buggy code","eng_Latn","","JavaScript","Wrong delimiter",10]
["What error does this Java code generate? `String s = \"Hello\" . \"World\";`",["HelloWorld","Compilation error","Hello.World","NullPointerException"],1,"B","test","Buggy code","eng_Latn","","Java","Wrong operator",11]
["This Python function definition causes: `def process(data) return data * 2`",["SyntaxError","8","4","IndentationError"],0,"A","test","Buggy code","eng_Latn","","Python","Missing colon",12]
["What happens when this C code runs? `int *ptr = &value printf(\"%d\", *ptr);`",["5","Compilation error","0","Segmentation fault"],1,"B","test","Buggy code","eng_Latn","","C","Missing semicolon",13]
["This JavaScript object literal gives: `let obj = {\"key\" = \"value\"};`",["{key: \"value\"}","undefined","SyntaxError","TypeError"],2,"C","test","Buggy code","eng_Latn","","JavaScript","Wrong assignment",14]
["Running this Java loop produces: `for (int i = 0; i < 3; i++); sum += i;`",["0","6","3","Compilation error"],2,"C","test","Buggy code","eng_Latn","","Java","Extra semicolon",15]
["What does this Python code output? `data = {\"a\": 1; \"b\": 2}`",["SyntaxError","{a:1, b:2}","KeyError","TypeError"],0,"A","test","Buggy code","eng_Latn","","Python","Wrong separator",16]
["This C macro definition results in: `#define MAX = 100 int x = MAX;`",["100","0","100","Compilation error"],3,"D","test","Buggy code","eng_Latn","","C","Wrong macro syntax",17]
["What happens with this JavaScript function? `const add = (a, b) = > a + b;`",["function","15","undefined","SyntaxError"],3,"D","test","Buggy code","eng_Latn","","JavaScript","Spaced arrow",18]
["This Java constructor compiles to: `public MyClass[] { value = 0; }`",["Compilation error","MyClass object","0","NullPointerException"],0,"A","test","Buggy code","eng_Latn","","Java","Wrong brackets",19]
["What error occurs in this Python import? `from math import sqrt;`",["SyntaxError","sqrt function","ImportError","NameError"],0,"A","test","Buggy code","eng_Latn","","Python","Extra semicolon",20]
["This C switch statement produces: `switch(x) [ case 1: return 5; }`",["Compilation error","5","1","0"],0,"A","test","Buggy code","eng_Latn","","C","Mismatched brackets",21]
["Running this JavaScript comparison gives: `if (x ==== y) return true;`",["TRUE","SyntaxError","FALSE","undefined"],1,"B","test","Buggy code","eng_Latn","","JavaScript","Quad equals",22]
["What happens with this Java exception handling? `try risky(); catch (Exception e) handle();`",["Exception caught","Compilation error","risky() result","RuntimeException"],1,"B","test","Buggy code","eng_Latn","","Java","Missing braces",23]
["This Python list creates: `nums = [1 2 3]`",["[1,2,3]","[123]","SyntaxError","TypeError"],2,"C","test","Buggy code","eng_Latn","","Python","Missing comma",24]
["What does this C code produce? `// comment */ int x = 5;`",["Compilation error","5","0","Runtime error"],1,"B","test","Buggy code","eng_Latn","","C","Wrong comment",25]
["This JavaScript function call gives: `result = calculate 5, 10;`",["15","SyntaxError","calculate","undefined"],1,"B","test","Buggy code","eng_Latn","","JavaScript","Missing parentheses",26]
["Running this Java code produces: `public int getValue[] { return 5; }`",["5","0","NullPointerException","Compilation error"],3,"D","test","Buggy code","eng_Latn","","Java","Wrong method syntax",27]
["What happens with this Python string? `message = 'Hello\"World'`",["Hello\"World","SyntaxError","HelloWorld","NameError"],1,"B","test","Buggy code","eng_Latn","","Python","Mixed quotes",28]