Assignment

For the following BNF grammar rules, answer the questions that follow.

$(5$ pts$)$ Is this grammar ambiguous? $($Yes $/$ No$)$

$(10$ pts$)$ If this grammar is ambiguous, re$-$write the rules to remove the ambiguity such that:

a$.$ You do not add any new grammar rules

b$.$ You only change $1$ nonterminal within $1$ grammar rule.

c$.$ Any previously valid sentence continues to be valid.

If the grammar is not ambiguous, re$-$write the rules as is from above with no changes.