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

D. W IS THE SON OF X

In a coded relation, if P * Q means P is the mother of Q, P ÷ Q means P is the father of Q, and P + Q means P is the sister of Q, what is the relationship of R if P * R ÷ Q?

C. R IS P'S DAUGHTER

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?

C. Z IS Y'S BROTHER

If P - Q means P is the mother of Q, Q + R means Q is the sister of R, and R * S means R is the father of S, what is the relationship of P to S?

A. GRANDMOTHER

If M × N means M is the son of N, N - O means N is the sister of O, and O + P means O is the father of P, what is the relationship of M to P?

A. COUSIN