Directions: Read the instructions carefully and answer the question below.

In a family, there are ten members P, Q, R, S, T, U, V, W, X, and Y. T is not married. Q is the paternal grandfather of X. T is the maternal uncle of V. Y is the mother of R who is the sister of X. U is the mother of P who is the brother of W. V is the only son of W. W is the only daughter of Q. Either both or none of the parents of a person are alive.