Direction: Study the following information carefully and answer the questions given below.

P, Q, R, S, T, U, V, W, and X are the nine members of a family. X is the only brother of R, who is the only daughter of S. Q is the mother of T, who is the niece of R. U is the maternal grand-mother of W, who is the only son of V. P is the father-in-law of the mother of W. V does not belong to first and third generation in the family.