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.

Ex Input:
Category: emotional status 
Words: excited, content, item, disappointed, jealous

Ex Output:
item


Ex Input:
Category: type of sandwich 
Words: open-faced, team, roll, doorstep, club

Ex Output:
team


Ex Input:
Category: widespread 
Words: fighter, boring, popular, standard, general

Ex Output:

fighter