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: weather 
Words: cold, 70, fair, well, luke

Output: well


Input: Consider Input: Category: emotional status 
Words: merchandise, angry, ecstatic, content, joyful

Output: merchandise


Input: Consider Input: Category: nutritional value 
Words: fiber, salt, fat, ugly, sugar


Output: ugly