If it is possible to make a meaningful word with the third, seventh, eleventh and the 13th letters of the word STRANGULATION which of the given will be first letter of that word? If more than one such word can be made, give 'X’ as the answer. If no such word can-'be made, give ‘M' as the answer.
1) M
2) X
3) I
4) R
5) None of these

Explanation

4