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 A ÷ B means A is the sister of B, A * B means A is the father of B, and A + B means A is the mother of B, what is the relationship of C if A * C ÷ B?

C. C IS A'S SON

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

A. BROTHER

If X + Y means X is the uncle of Y, X - Y means X is the aunt of Y, and X × Y means X is the brother of Y, what is the relationship of Z if X + Z × Y?

A. Z IS THE COUSIN OF Y

If M + N means M is the daughter of N, M - N means M is the son of N, and M × N means M is the wife of N, what is the relationship of O if M + O - N?

B. O IS THE DAUGHTER OF N