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: construction 
Words: windlass, crane, hoist, digger, upraise

Answer: hoist


Question: Category: construction 
Words: hoist, tackle, digger, excavator, crane

Answer: tackle


Question: Category: food 
Words: frank, wienerwurst, wiener, stern, meat

Answer:
stern