If D is the mother of E and E is the daughter of F, what is the relationship of F to D?

B. HUSBAND

In the expression X + Y × Z - W, if X is the father of Y, Y is the brother of Z, and W is the sister of Y, what is the relationship of W to X?

A. W IS THE DAUGHTER OF X

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

A. BROTHER

If M - N means M is the wife of N, M + N means M is the husband of N, and M × N means M is the brother of N, what is the relation of O if M - N × O?

B. O IS M'S SON

In the coded relation A ÷ B means A is the son of B, B + C means B is the sister of C, and C - D means C is the mother of D. What is the relationship of A to D in the expression A ÷ B + C - D?

D. A IS THE NEPHEW OF D