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: animal 
Words: hamster, mice, fish, tiger, row

Answer: row


Question: Category: secretary duty 
Words: organize, sort mail, fax, file, text

Answer: text


Question: Category: fried food 
Words: doughnut, waste away, fritter, dumpling, pastry

Answer:
waste away