If it is possible to make a meaningful word with the second, the seventh, the ninth and the eleventh letters of the word ORGANISATION which of the given will be the third letter of that word? If no such word can be formed, give 'D' as the answer and if more than one such word can be made, give answer as ‘M’.
1) S
2) R
3) T
4) X
5) M

Explanation

5