Question: a bonus question bq being worth of 25 points begin...
[A Bonus Question (BQ) being worth of 25 points] Begin with the grammar
S→ ASB I ε
A→ aAS I a
A→ A I SbS I bb
a) Eliminate ε -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 (CNF).