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: food 
Words: sausage, loyalty, grub, frank, provision

Answer: loyalty


Question: Category: shady activities 
Words: cookies, wrongful, fudge, smuggled, smear

Answer: cookies


Question: Category: computers 
Words: support, image, file, firewall, document

Answer:
support