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: remorseful, south, descending, downward, down

Output: remorseful


Input: Consider Input: Category: consumer product 
Words: fearful, content, merchandise, shop, program

Output: fearful


Input: Consider Input: Category: emotional status 
Words: comfortable, ok, hot, happy, fine


Output: hot