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: weather 
Words: fair, unprejudiced, raining, windy, endure

Answer: unprejudiced


Question: Category: outdoor sport activity 
Words: hunt, row, wrestle, fish, hamster

Answer: hamster


Question: Category: bird 
Words: tackle, goose, winch, swift, crane

Answer:
winch