If it is possible to form a meaningful English word by using second, fifth, eighth and twelfth letters (letters are used only once) of the ‘DEFORESTATION’, then which of the following is the 3rd letter from the left end of that word. If no such word is formed, then mark ‘X’ as your answer and if more than one such word is formed, then mark Z as your answer. Note: 1st , 2nd, 3rd, 4th letters are taken from the left end.