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.

Example Input: equitable, just, fair, loyal, even
Example Output: even

Example Input: cards, deck, suits, box, fold
Example Output: box

Example Input: loosen, cake, chocolate cake, cream, fudge
Example Output:
loosen