A given grammar is called ambiguous if

ISRO Scientist/Engineer SC · 2020 · Computer Science

1. A.

   two or more productions have the same non-terminal on the left hand side

2. B.

   a derivation tree has more than one associated sentence

3. C.

   there is a sentence with more than one derivation tree corresponding to it

4. D.

   brackets are not present in the grammar

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