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: deck, galley, check, joker, queen

Ex Output:
galley


Ex Input:
Category: type of sandwich 
Words: submarine, group, club, roll, grilled cheese

Ex Output:
group


Ex Input:
Category: fried food 
Words: pie, misuse, cake, fritter, skin

Ex Output:

misuse