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:
blow, squander, apple, fritter, divide

Ex Output:
apple

Ex Input:
balanced, loyal, pale, fair, decent

Ex Output:
pale

Ex Input:
relaxed, mad, fine, exquisite, calm

Ex Output:
exquisite