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: emotional status 
Words: left, emotional state, sad, emotional upsets, down

Output: left


Input: Consider Input: Category: shady activities 
Words: falsification, wrongful, rich, fudge, unlicensed

Output: rich


Input: Consider Input: Category: emotional status 
Words: angry, sad, fearful, content, item


Output: item