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

C. SISTER-IN-LAW

If M is the grandmother of N and N is the son of O, what is O's relation to M?

D. CHILD

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

D. SIBLING

K is the daughter of L. M is the son of L. N is the wife of M. How is K related to N?

D. SISTER

A is the sister of B. C is the mother of B. How is A related to C?

A. DAUGHTER