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: meat, weenie, loyalty, frank, vittles

Answer: loyalty


Question: Category: guitar part 
Words: neck, strap lock, fret, angry, notes

Answer: angry


Question: Category: shady activities 
Words: smear, fix, banned, heavy, fudge

Answer:
heavy