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: aesthetic characteristic 
Words: variety, fair, alright, pale, flaxen

Answer: alright


Question: Category: animal 
Words: jump, drive, fly, eagle, beetle

Answer: drive


Question: Category: consumer product 
Words: nervous, file, item, content, books

Answer:
nervous