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

B. BROTHER

If P is the uncle of Q and Q is the daughter of R, what is R's relation to P?

C. BROTHER-IN-LAW

If G is the uncle of H and H is the son of I, what is the relationship between G and I?

A. BROTHER AND SISTER

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

A. BROTHER