Question

Answer the questions based on the information given below. Nine members R, S, T, U, V, W, X, Y and Z are members of a family consisting of three generations and three married couples. V is the only sister of R, who is the son of Z. Z is the only daughter of W and X. S is married to the mother of U. Both Z and W have only two children. Y is the sister-in-law of T.