What language does the grammar below generate? S rightarrow abS | aA A rightarrow aA | a Select the correct answer. L = {(ab)^n aaa^m: n greaterthanorequalto 0, m greaterthanorequalto 0} L = {(ab)^n a^m: n greaterthanorequalto 0, m greaterthanorequalto 1} L = {a^n b^n a^m: n greaterthanorequalto 0, m greaterthanorequalto 2} L = {a^n b^n a^m: n greaterthanorequalto 0, m greaterthanorequalto 1}