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: police punishment 
Words: probation, jail, arrest, fine, beautiful

Output: beautiful


Input: Consider Input: Category: widespread 
Words: average, typical, common, general, admiral

Output: admiral


Input: Consider Input: Category: bird 
Words: davit, neck, crane, digger, pelican


Output: digger