If  it is possible to make a meaningful word with the fourth, the seventh, the eleventh and the thirteenth letters of the word 'CATEGORISATION' which of the following will be the first letter of that word ?
If no such word can be made, give X as the answer. If more than one such word can be made, give M as the answer.

Answer: E. M

The fourth, seventh, eleventh and thirteenth letters of the word CATEGORISATION are E, R, T and O respectively. The words formed are TORE and ROTE.