Q. 26 Consider the languages L1, L2 and L3 as given below.
Which of the following statements is NOt TRUE?
(A) Push Down Automata (PDA) can be used to recognize L1 and L2
(B) L1 is a regular language
(C) All the three languages are context free
(D) Turing machines can be used to recognize all the languages
Answer: (C)
Explanation: