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

L, M, N, O, P, Q, R, S, and T are the nine members of a family. M is the son-in-law of L who is the father of T. R is the only son of P who is the sister of Q. N is the brother of S, who is the son of O. O is the sister of R. Either both or none of the parents of a person are alive. Q is the brother-in-law of L.