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: type of sandwich 
Words: meeting, bacon, submarine, toast, club

Ex Output:
meeting


Ex Input:
Category: shady activities 
Words: fudge, banned, brownie, unwarranted, fib

Ex Output:
brownie


Ex Input:
Category: accomodation 
Words: cabin, flat, house, even, even

Ex Output:

even