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

B. BROTHER

If G is the uncle of H and H is the son of I, how is G related to I?

B. BROTHER-IN-LAW

If X is the daughter of Y, and Y is the mother of Z, what is the relationship of Z to X?

B. BROTHER

If A is the mother of B and B is the sister of C, what is the relationship between A and C?

B. 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