Directions: Study the following information carefully and answer the questions that follow.

There are seven members in a family B, W, Q, S, Z, X and V. There are two married couples in this family. Q is the son-in-law of Z. S is the sister-in-law of W, who is the only child of Z. X is the father-in-law of W, who has only one male child. B is the nephew of S and V is the paternal grandmother of B.