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.
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Question: decent, well, flaxen, fair, unjust

Answer: flaxen


Question: size, unjust, tone, fair, medium

Answer: unjust


Question: jump, fish, fly, flap, beetle

Answer:
flap