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:
blow, waste away, fritter, dally, croquet

Ex Output:
croquet


Ex Input:
fair, cool, level, milky, clime

Ex Output:

clime