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: chocolate food 
Words: smuggled, brownie, fudge, pudding, truffles

Answer: smuggled


Question: Category: aesthetic characteristic 
Words: well, windy, even, fair, level

Answer: windy


Question: Category: employment activity 
Words: replace, ice, fire, ban, hire

Answer:
ice