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: poker 
Words: ring, deck, blind, cards, joker

Output: ring


Input: Consider Input: Category: aesthetic characteristic 
Words: fair, unprejudiced, level, tone, milky

Output: unprejudiced


Input: Consider Input: Category: outdoor sport activity 
Words: hike, cow, trap, row, fish


Output: cow