Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
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Question: Category: bird 
Words: goose, hoist, neck, swallow, crane

Answer: hoist


Question: Category: animal 
Words: trap, dog, fish, tiger, horse

Answer: trap


Question: Category: aesthetic characteristic 
Words: bright, alright, fine, classy, high quality

Answer:
alright