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: personal characteristic 
Words: freezing, calm, positive, cool, popular
freezing

Category: weather 
Words: honorable, fair, stormy, sunny, endure
honorable

Category: emotional status 
Words: pretty, comfortable, fine, decent, alert

pretty