Question: Consider the following context free grammar S aAa Bb A Cla B. b C D CDE A | ab a) Find all nullable variables and

Consider the following context free grammar S aAa Bb A Cla

Consider the following context free grammar S aAa Bb A Cla B. b C D CDE A | ab a) Find all nullable variables and eliminate e-productions. b) Find all unit pairs and eliminate all unit productions in the resulting grammar of a). c) Find all useless symbols and eliminate them in the resulting grammar of b). d) Put the resulting grammar in c) into Chomsky normal form

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