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: replace, fudge, cupcake, heavy, cream

Answer: replace


Question: Category: corporate 
Words: synergy, combined, concerted, resistant, firm

Answer: resistant


Question: Category: moral characteristic 
Words: just, dishonest, fair, flaxen, decent

Answer:
flaxen