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If w belongs to L(G), for some CFG, then w has a parse tree, which tell us the ________ structure of w.

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If w belongs to L(G), for some CFG, then w has a parse tree, which tell us the ________ structure of w.

(a) semantic

(b) syntactic

(c) lexical

(d) all of the mentioned

This question was posed to me in my homework.

This interesting question is from Inferences to Trees, Trees to Derivations in chapter Context Free Grammars and Languages of Automata Theory

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Right answer is (b) syntactic

For explanation: A parse tree or concrete syntactic tree is an ordered, rooted tree that represents the syntactic structure of a string according to some context free grammar.

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