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: moral characteristic 
Words: fair, well, impartial, alright, stormy

Output: stormy


Input: Consider Input: Category: bird 
Words: digger, heron, crane, mallet, sandpiper

Output: digger


Input: Consider Input: Category: boxing terminology 
Words: hull, deck, caution, punch, corner


Output: hull