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: direction 
Words: south, loveful, down, left, falling

Output: loveful


Input: Consider Input: Category: type of sandwich 
Words: submarine, burger, bar, lettuce, club

Output: bar


Input: Consider Input: Category: fried food 
Words: pie, fried, misuse, fritter, cake


Output: misuse