instruction:
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:
club, hero, lettuce, bar, toast
answer:
bar


question:
fair, impartial, tone, well, balanced
answer:
tone


question:
classy, persistent, unflappalbe, cool, chill
answer:

chill