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: baby animals 
Words: lust, kitten, deer, bambi, fawn

Answer: lust


Question: Category: weather 
Words: brisk, ghostly, windy, fair, deal

Answer: ghostly


Question: Category: temperature 
Words: scorching, cool, cold, relaxed, warm

Answer:
relaxed