Among P, Q, R, S, and T, (i) R ranks as the second wealthiest person, (ii) Q is richer than only S. To decide the wealthiest among them, which of the following statements is (are) necessary?
(A) P is wealthier than Q.
(B) P, though wealthier than Q, is not as wealthy as T.
(C) T is wealthier than Q.
(D) R is wealthier than both P and Q.
1) Only (B) or only (A) and C together
2) Either (B) alone or (A) and (C) together
3) Only (D)
4) Either (B) alone or (D) alone
5) None of these

Explanation

4, Data inadequate