Directions: These questions are based on the following information.

Eight persons P, Q, R, S, T, V, W and X are in a family with three different generations. W is the son of T, who is the only daughter of P. P is the brother-in-law of V and does not has any siblings. Not more than three and not less than two members in the same generation. X is the niece of Q, who is the sibling of T. R is the brother-in-law of Q. V is not a female. Less than four female members are there in the family.