Q8

MCQ1 mark, −0.25

Which of the following grammar rules violate the requirements of an operator grammar? $P, Q, R$ are nonterminals, and $r, s, t$ are terminals. (I) only (I) and (III) only (II) and (III) only (III) and (IV) only

(A)

$P \rightarrow Q R$

(B)

$P \rightarrow Q s R$

(C)

$P \rightarrow \: \varepsilon$

(D)

$P \rightarrow Q t R r$

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