D is the daughter of E, and F is the son of E. What is F to D?

A. BROTHER

M is the grandmother of N, and N is the son of O. What is O to M?

B. SON

If D is the mother of E and F is the son of D, what is F's relationship to E?

A. BROTHER

If G is the daughter of H and I is the brother of H, what is I's relationship to G?

A. UNCLE

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

A. SISTER