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: crane, hoist, egret, tackle, ostrich

Answer: hoist


Question: Category: activity 
Words: fried, spend, whittle, waste, fritter

Answer: fried


Question: Category: weather 
Words: tangle, warm, fair, stormy, well

Answer:
well