For each of the following languages, give two strings that are members and two

strings that are not members$-$a total of four strings for each part. Assume the

alphabet $=\{a,b\}$ in all parts.

a$.a**b^{**}$

e$.{}^{**}a{}^{**}b{}^{**}a{}^{**}$

b$.a(ba{)}^{**}b$

f$.$ aba$$bab