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:
impartial, fair, equitable, level, ok

Ex Output:
level


Ex Input:
cream, wrongful, fix, fudge, smear

Ex Output:
cream


Ex Input:
food, specialty, panicked, content, merchandise

Ex Output:

panicked