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: aesthetic characteristic 
Words: pretty, probation, neat, fine, level
probation

Category: emotional status 
Words: fret, emotional supports, output cord, angry, concerned
output cord

Category: date status 
Words: blue, current, data sets, delayed, postponed

blue