Question: 5. (6 marks) Let S = {a,b,c,d}. Give context-free grammars that generate the following languages. In each case, also give a derivation of the specified

5. (6 marks) Let S = {a,b,c,d}. Give context-free grammars that

5. (6 marks) Let S = {a,b,c,d}. Give context-free grammars that generate the following languages. In each case, also give a derivation of the specified terminal string using your grammar. The derivation beginning from the start variable should indicate each individual derivation step using the notation (a) L1 = {124 (3k+1 | k>i>0} Derivation for the string: bcA

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