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.
--------
Question: confident, popular, classy, cool, chill

Answer: chill


Question: fair, impartial, tone, well, balanced

Answer: tone


Question: paw, hatchling, lust, fawn, cute

Answer:
hatchling