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: probation, suspension, jail, fine, attractive
attractive

Category: temperature 
Words: cold, cool, icy, assured, mild
assured

Category: date status 
Words: current, dastards, prompt, course, timely

course