A + B means A is the daughter of B ;
A - B means A is the husband of B ;
A x B means A is the brother of B.
If (A) P + Q means P is the brother of Q ;
(B) P x Q means P is the father of Q ;
(C) P - Q means P is the sister of Q ;
which of the following represents S is the niece of T ?
P x Q means P is the sister of Q ;
P + Q means P is the father of Q ;
P - Q means P is the mother of Q.
Which of the following means S is the aunt of T ?