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:
deal, 70, equitable, fair, raining

Ex Output:
equitable


Ex Input:
fair, unprejudiced, impartial, honorable, variety

Ex Output:
variety


Ex Input:
danish, fried, lollygag, pastry, fritter

Ex Output:

lollygag