Syntax Analysis26

14Which of the following grammar rules violate the requirements of an operator grammar?
P, Q, R are not terminals and r, s, t are terminals.
(i) P → Q R
(ii) P → Q s R
(iii) P → ε
(iv) P → Q t R r

Option : B
Explanation :
P → QR and P → ε is not possible for operator grammar.

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