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: computers 
Words: image, format, reception, file, folder

Answer: reception


Question: Category: animals 
Words: horse, duck, pig, stoop, ostrich

Answer:
stoop