Question: Begin with the grammar S - > ASB | epsi A - > aAS | a B - > SbS | A | bb

Begin with the grammar
S -> ASB |\epsi
A -> aAS | a
B -> SbS | A | bb
a) Eliminate \epsi productions.
b) Eliminate any unit productions in the resulting grammar.
c) Eliminate any useless symbols in the resulting grammar.
d) Put the resulting grammar into Chomsky Normal Form.

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