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:
flaxen, fair, sunny, cool, pale

Ex Output:
sunny


Ex Input:
bow, draw, galley, deck, crew

Ex Output:
draw


Ex Input:
fair, balanced, unprejudiced, pale, alright

Ex Output:

pale