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: fudge, cream, replace, cookies, brownies

Answer: replace


Question: Category: type of sandwich 
Words: french toast, community, club, burger, dagwood

Answer: community


Question: Category: secretary duty 
Words: make coffee, document, reception, support, file

Answer:
document