1.

Given grammar G:(1)S->AS(2)S->AAS(3)A->SA(4)A->aaWhich of the following productions denies the format of Chomsky Normal Form?

A. 2,4
B. 1,3
C. 1, 2, 3, 4
D. 2, 3, 4
Answer» B. 1,3


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