Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

Ex Input:
pale, windy, fair, flaxen, light

Ex Output:
windy


Ex Input:
miserable, emotional supports, down, kind, south

Ex Output:
south


Ex Input:
bored, amp, board, fret, truss rod

Ex Output:

bored