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

A. BROTHER

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

D. BROTHER-IN-LAW

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

B. SON

If A + B means A is the brother of B, A - B means A is the sister of B, and A × B means A is the father of B, what is the relationship of C if A + B × C?

D. C IS A'S SON

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

C. BROTHER-IN-LAW