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: fight, chips, deck, canvas, box
Example Output: chips

Example Input: emotional upsets, emotional supports, down, ashamed, up
Example Output: up

Example Input: flutter, walk, fly, car, pounce
Example Output:
pounce