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

Answer: resistant


Question: Category: physical property 
Words: sugars, fat, thin, large, angular momentum

Answer: sugars


Question: Category: poker 
Words: board, apron, draw, queen, deck

Answer:
apron