Question: Let the context free grammar G = ({S, A, B, C, D, X, Y}, {a, b}, P, S) (which already is in Chomsky normal

Let the context free grammar G = ({S, A, B, C, D, X, Y}, {a, b}, P, S) (which already is in Chomsky normal form) be given, where P is defined by SAB XC | XY AXC | XY CAY B DY | XY D XB D

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