Question: Pleasee explain! 9. (20 points) Let G be the context-free grammar( {Q,V), {c,d),{ Q ? QQlV, (a) (5 points) Describe the language L6 = L(G).

Pleasee explain! 9. (20 points) Let G be the context-free grammar(

Pleasee explain!

9. (20 points) Let G be the context-free grammar( {Q,V), {c,d),{ Q ? QQlV, (a) (5 points) Describe the language L6 = L(G). Prove that G is ambiguous. (b) (5 points) Give an unambiguous grammar H, such that L(H) L(G). Give some justification for the claim that H is unambiguous. (c) (10 points) Construct a pushdown-automaton that recognizes the language L6

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