Among M, N, O, P and Q, (i) N is taller than only P and (ii) O is the 2nd tallest person. To decide the tallest among them, the data in which of the following statements is (are) sufficient ?
(A) M is taller than N
(B) M, though taller than N, is not as tall as Q
(C) Q is taller than N
(D) O is taller than both M and N
1) Only (D)
2) Either (B) alone or (D) alone
3) Only (B) or only (A) and (C) together
4) (B) and (D) together
5) None of these

Explanation

2, T