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

D. SISTER-IN-LAW

If J is the uncle of K and L is the sister of K, what is L to J?

A. NIECE

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

D. SIBLING

If K is the sister of L and L is the father of M, how is K related to M?

A. AUNT

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

C. DAUGHTER-IN-LAW