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: moral characteristic 
Words: wiener, frank, integrity, loyalty, stern

Ex Output:
wiener


Ex Input:
Category: aesthetic characteristic 
Words: ticket, fine, bright, detailed, exquisite

Ex Output:
ticket


Ex Input:
Category: window material 
Words: knifer, coating, glass, fiberglass, acrylic

Ex Output:

knifer