Multiple Choice
Which of the following grammar rules violate the requirements of an operator grammar ?
P, Q, R are nonterminals, and r, s, t are terminals.
1) P ? Q R
2) P ? Q s R
3) P ? ?
4) P ? Q t R r
A) 1 only
B) 1 and 3 only
C) 2 and 3 only
D) 3 and 4 only
Correct Answer:
Verified
Correct Answer:
Verified
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