Question: Here is a grammar, written using our usual conventions. S aS | T T c | Which of the following could be the alphabet being

Here is a grammar, written using our usual conventions.

S aS | T T c |

Which of the following could be the alphabet being used?

a.

{a, b, c}.
b.

{a, b, c, }.
c.

{S, T}.
d.

{S, T, }.
e.

{a, b, c, S, T}.
f.

{a, b, c, S, T, }.

Which of the following strings lie in the language generated by the grammar in problem 3? Select all correct answers.

a.

a
b.

c
c.

ac
d.

ca
e.

aaac
f.

accc
g.

ccca
h.

caaa

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