If S is the son of T and T is the daughter of U, what is S's relation to U?

A. GRANDSON

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

C. DAUGHTER-IN-LAW

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

A. NEPHEW

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