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: nutritional value 
Words: heavy, protein, fat, sugars, area

Answer: area


Question: Category: police punishment 
Words: wispy, fine, probation, calm, prime

Answer: calm


Question: Category: kitchenware 
Words: acrylic, knifer, glass, dish, knive

Answer:
acrylic