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: crane, goose, hoist, pelican, hummingbird

Answer: hoist


Question: crew, joker, deck, chips, pack

Answer: crew


Question: down, south, melancholy, emotional supports, emotional

Answer:
south