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: excited, content, item, disappointed, jealous

Answer: item


Question: Category: outdoor sport activity 
Words: dog, swim, hike, hiking, fish

Answer: dog


Question: Category: chocolate food 
Words: cookies, replace, chocolate cake, tart, fudge

Answer:
replace