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

B. BROTHER-IN-LAW

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

A. SISTER

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

A. SON

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

A. SISTER

If K is the son of L, and M is the sister of L, what is M to K?

A. AUNT