If X - Y means X is the daughter of Y, X + Y means X is the son of Y, and X ÷ Y means X is the uncle of Y, what is the relationship of Z if X - Z ÷ Y?

A. Z IS Y'S DAUGHTER

If A ÷ B means A is the son of B, A * B means A is the daughter of B, and A + B means A is the cousin of B, what is the relationship of C if A ÷ C * B?

B. C IS A'S MOTHER

If X ÷ Y means X is the father of Y, Y * Z means Y is the daughter of Z, and Z + W means Z is the brother of W, what is the relationship of X to W?

B. UNCLE

If A + B means A is the brother of B, and B - C means B is the sister of C, what is the relationship between A and C?

C. COUSIN

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 to D if C + D and D - C are true?

A. C IS D'S BROTHER