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MCQ (Single Correct Answer)
GATE CSE 2017 Set 2
Consider the following languages.L1 = {ap | p is a prime number}L2 = {anbmc2m | n GRAETER THAN = 0, m GRAETER THAN = 0}L3 = {anbnc2n | n GRAETER THAN = 0}L4 = {anbn | n GREATER THAN = 1}
Which of the following are CORRECT ?I. L1 is context free but not regular.II. L2 is not context free.III. L3 is not context free but recursive.IV. L4 is deterministic context free.(A) I, II and IV only
(B) II and III only(C) I and IV only
(D) III and IV only
