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: emotional status 
Words: angry, joyful, tools, fearful, content

Answer: tools


Question: Category: aesthetic characteristic 
Words: prison, fine, there, handsome, high quality

Answer: prison


Question: Category: temperature 
Words: cool, chill, funny, cold, mild

Answer:
funny