Question: For consider the following nondeterministic PDA : In this machine, REJECT occurs when a string crashes. Notice here that the STACK alphabet is =

For consider the following nondeterministic PDA :

START READ PUSH x a, h a. h READ POP POP ACCEPT

In this machine, REJECT occurs when a string crashes. Notice here that the STACK alphabet is Γ = {x) .

(i) Show that the string ab can be accepted by this machine by taking the branch from READ₁ to POP₁ , at the correct time.
(ii) Show that the string bbba can also be accepted by giving the trace that shows when to take the branch.

START READ PUSH x a, h a. h READ POP POP ACCEPT

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