Some letters are given which are numbered 1, 2, 3, 4, 5 and 6 followed by four options containing combinations of these numbers. Find the combination of numbers so that letters are arranged accordingly to form a meaningful word.
(IMO 2015)
A6, 2, 3, 5, 4, 1
B5, 4, 1, 6, 2, 3
C3, 4, 1, 6, 5, 2
D1, 6, 5, 4, 3, 2
A