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GATE | Gate IT 2005 | Question 86
Q83 Part_A
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 nonterminals is {E}.
Which of the following terminal strings has more than one parse tree when parsed according to the above grammar?
(A)
id + id + id + id
(B)
id + (id* (id * id))
(C)
(id* (id * id)) + id
(D)
((id * id + id) * id)
Answer
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