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:
unflappalbe, refreshing, funny, cool, confident
answer:
refreshing


question:
heat, hire, burn, air, fire
answer:
hire


question:
water, promote, empower, instruct, fire
answer:

water