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: computers 
Words: folder, text, file, ram, prepare

Output: prepare


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

Output: comfortable


Input: Consider Input: Category: social gathering 
Words: convention, discothek, bar, lettuce, club


Output: lettuce