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: consumer product 
Words: jealous, content, merchandise, jewelry, shop

Ex Output:
jealous


Ex Input:
Category: moral characteristic 
Words: variety, fine, fair, ok, balanced

Ex Output:
variety


Ex Input:
Category: accomodation 
Words: condominium, even, hill, cabin, flat

Ex Output:

hill