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5. [CNF, 1 points] Suppose G is CFG and w, of length l, is a string in L(G). How long is a derivation of w

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5. [CNF, 1 points] Suppose G is CFG and w, of length l, is a string in L(G). How long is a derivation of w in G if G is in Chomsky normal form. Justify your

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