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

A. BROTHER

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

A. SISTER

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

C. BROTHER-IN-LAW

If X is the daughter of Y, and Y is the sister of Z, what is the relationship between X and Z?

A. NIECE

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

A. SISTER