If M is the brother of N and N is the sister of O, what is O's relationship to M?

D. SIBLING

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

A. BROTHER

If G is the uncle of H and H is the daughter of I, what is G to I?

B. BROTHER-IN-LAW

If J is the grandmother of K, and K is the son of L, what is the relationship of L to J?

A. DAUGHTER-IN-LAW

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

B. BROTHER