Directions: Study the given information and answer the questions that follow.

There are nine members in a family R, S, T, U, V, W, X, Y, and Z. There are 3 couples in this family. No single parent has a child. Z has three children and two of them are female. S is the son-in-law of V. V is the father of X.  R is the sister - in - law of S. W is the niece of R. Y is the brother - in - law of X who is unmarried. Neither S nor Y has sibling. W and T are from same generation. Both of them are neither siblings nor married. V is a male.