Question: Let G be the grammar ( W , Sigma , R , S ) , where W = S , A , N ,

Let G be the grammar (W,\Sigma ,R,S), where W=S,A,N,V,P\cup \Sigma ,....(20 points) Let G be the grammar (W,\Sigma , R, S), where [ W={S, A, N, V, P}\cup \Sigma ,\cup E={ elephant, big, mouse, small, chased },; R={P->N,; P->AP,; S->PVP,; A-> small,; A-> big,; N-> elephant,; N-> mouse ,; V-> chased }.] Draw a parse tree for the following example string: "big mouse chased small elephant". Is this grammar ambiguous? Explain your reasoning.

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