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: emotional status 
Words: content, hearing, fine, happy, alert

Ex Output:
hearing


Ex Input:
Category: moral characteristic 
Words: loyal, fair, honorable, equitable, warm

Ex Output:
warm


Ex Input:
Category: moral characteristic 
Words: matter of fact, frank, stern, sausage, loyalty

Ex Output:

sausage