Question 23 Not yet answered Marked out of 2.00 Consider the following 2 stack PDA, it has two stacks, Stack 1 and Stack 2. Pop1 means pop from stack 1; pop2 means pop from stack 2 Push1 means push on top of stack 1; Push2 means push on top of stack 2. a,pop1() pushi(a) b,popl(a) push2(b) c,pop2(b) push2/4) b,pop1(a) push2(b) cpop2(b) push2/4) 2.pop2($) push($) 91 42 P Flag question 93 which of the following languages are accepted by the two stack PDA automata O a. all of the three choices O b. anbh . O d. a'bach