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: police punishment 
Words: acceptable, fine, hearing, jail time, probation

Answer: acceptable


Question: Category: shady activities 
Words: truffles, lie, falsehood, wrongful, fudge

Answer: truffles


Question: Category: consumer product 
Words: thing, merchandise, activity, content, sad

Answer:
sad