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: boxing terminology 
Words: deck, gunwale, level, tko, jab

Output: gunwale


Input: Consider Input: Category: direction 
Words: up, down, sliding, shameful, right

Output: shameful


Input: Consider Input: Category: moral characteristic 
Words: just, ghostly, dishonest, well, fair


Output: ghostly