Consider the pushdown automaton with the following transition rules: 3, (q, 1,X) = {(q,X)} The start state is q. For which of the following inputs can the PDA first enter state p with the input empty and the stack containing XXZo [i.e., the ID (p,E,XXZo)]? a) 010101 b) 010111 c) 0101010 d) 0100110