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: unprejudiced, warm, fair, ok, balanced

Ex Output:
warm


Ex Input:
Category: moral characteristic 
Words: wiener, frank, integrity, loyalty, stern

Ex Output:
wiener


Ex Input:
Category: moral characteristic 
Words: integrity, honesty, frank, concise, vittles

Ex Output:

vittles