If X - Y means X is the daughter of Y, X + Z means X is the brother of Z, and Y × Z means Y is the father of Z, what is the relationship of W if X - W + Y × Z?

A. W IS THE SISTER OF Z

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

In a coded relation, if A + B means A is the father of B, A - B means A is the mother of B, and A × B means A is the son of B, what is the relationship between C and D if C - D + E?

A. C IS THE MOTHER OF D

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