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: down, emotional state, emotional supports, miserable, falling

Output: falling


Input: Consider Input: Category: aesthetic characteristic 
Words: pretty, probation, neat, fine, level

Output: probation


Input: Consider Input: Category: police punishment 
Words: fine, prime, arrest, hot, jail time


Output: hot