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.

Example Input: Category: emotional status 
Words: nervous, frustrated, fret, jack, concerned
Example Output: jack

Example Input: Category: kitchenware 
Words: glass, colander, dish, plate, panel
Example Output: panel

Example Input: Category: widespread 
Words: ubiquitous, captain, typical, general, boring
Example Output:
captain