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.

Category: police punishment 
Words: prison, fine, calm, money, suspension
calm

Category: computers 
Words: ram, file, prepare, keys, format
prepare

Category: fried food 
Words: dunker, fritter, blueberry, divide, fried

divide