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.

Ex Input:
Category: poker 
Words: chips, punch, deck, draw, queen

Ex Output:
punch


Ex Input:
Category: type of sandwich 
Words: club, open-faced, convention, doorstep, roll

Ex Output:
convention


Ex Input:
Category: emotional status 
Words: down, remorseful, up, emotional supports, shameful

Ex Output:

up