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 G is the sister of H and H is the father of I, what is G's relationship to I?

A. AUNT

If J is the son of K and K is the daughter of L, what is J's relationship to L?

A. GRANDSON

K is the mother of L, and M is the sister of K. What is M to L?

A. AUNT

N is the father of O, and P is the daughter of O. What is N to P?

B. FATHER