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Give the state diagram for a pushdown automata which decides exactly the following language, Sigma = { a , b , c , d

Give the state diagram for a pushdown automata which decides exactly the following language, \Sigma ={a, b, c, d}Give the state diagram for a pushdown automata which decides exactly the following language, ={a,b,c,d}
(Note that d is also in the alphabet and strings in the language may contain any number of d's.)
: the number of a's is equal to the number of b's and c's combined
(Note that d is also in the alphabet and strings in the language may contain any number of ds.)
B ={w : the number of as is equal to the number of bs and cs combined}
Your state diagram for this question may be handwritten.
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