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

A. SISTER

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

B. BROTHER-IN-LAW

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

C. BROTHER-IN-LAW

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 + C × B?

C. C IS THE SON OF A

If X - Y means X is the brother of Y, X + Z means X is the sister of Z, and Y × Z means Y is the father of Z, what is the relationship of X to Z in X - Y + Z?

B. X IS THE SISTER OF Z