If M is the father of N, and N is married to O, what is O's relation to M?

A. SON-IN-LAW

If G is the son of H and H is the mother of I, what is the relationship of I to G?

A. BROTHER

If A is the brother of B, and B is the sister of C, how is A related to C?

A. BROTHER

If D is the daughter of E and E is the sister of F, what is the relationship between D and F?

A. NIECE

If A is the sister of B, and B is the mother of C, what is A's relation to C?

A. AUNT