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: computers 
Words: hardware, sort mail, download, program, file

Answer: sort mail


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

Answer: ghostly


Question: Category: moral characteristic 
Words: fair, unjust, fine, make the grade, equitable

Answer:
make the grade