If M is the grandmother of N and O is the father of N, what is O to M?

A. SON

If K is the grandmother of L, and L is the daughter of M, what is the relationship of K to M?

A. MOTHER

If A is the brother of B, and B is the sister of C, what is the relationship of A to C?

A. BROTHER

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

A. NIECE

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

C. WIFE