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.
--------
Question: Category: personal characteristic 
Words: assured, refreshing, unruffled, cool, positive

Answer: refreshing


Question: Category: ocean 
Words: late, wave, blue, current, drink

Answer: late


Question: Category: emotional status 
Words: disgusted, up, emotional upsets, emotional supports, down

Answer:
up