In a family of six persons, two are males and the remaining are females. The members are P, Q, R, S, T and U. There are two pairs of father and daughter in the family. S is the wife of Q. R and Q are siblings. P is the wife of T. U is NOT the daughter of S. Below are given a few statements. Based on the given information, select which of the statements is/are definitely true: A : The two male members of the family are Q and T. B : S is the mother of P. C : T is also a sibling of Q. D : T is the uncle of Q.