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Question

Consider the context-free grammar E → E + E E → (E * E) E → id
where E is the starting symbol, the set of terminals is {id, (,+,),*}, and the set of non-terminals is {E}.
For the terminal string id + id + id + id, how many parse trees are possible?

a.

5

b.

4

c.

3

d.

2

Answer: (a).5

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Q. Consider the context-free grammar E → E + E E → (E * E) E → id where E is the starting symbol, the set of terminals is {id, (,+,),*}, and the set of non-terminals is {E}. For the...

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