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7. Consider the following context-free grammar G : SS+SSSSSSS(S)xy (a) Describe L(G) and show that the above grammar is ambiguous. (b) Present an unambiguous grammar

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7. Consider the following context-free grammar G : SS+SSSSSSS(S)xy (a) Describe L(G) and show that the above grammar is ambiguous. (b) Present an unambiguous grammar that produces the same language as L(G)

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