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.

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

Output: team


Input: Consider Input: Category: aesthetic characteristic 
Words: comfortable, pretty, there, fine, classy

Output: comfortable


Input: Consider Input: Category: consumer product 
Words: program, shop, content, item, angry


Output: angry