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: fawn, social, cub, kid, colt

Answer: social


Question: beautiful, classy, dull, comfortable, fine

Answer: comfortable


Question: ubiquitous, general, cadet, standard, regular

Answer:
cadet