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: emotional status 
Words: acceptable, fine, neat, relaxed, annoyed

Answer: neat


Question: Category: outdoor sport activity 
Words: kayak, raft, fish, canyoning, dolphin

Answer: dolphin


Question: Category: emotional status 
Words: emotional upsets, fret, anxious, crying, string

Answer:
string