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: concise, brash, integrity, cheese, frank

Ex Output:
cheese


Ex Input:
Category: aesthetic characteristic 
Words: honorable, fair, variety, milky, even

Ex Output:
honorable


Ex Input:
Category: secretary duty 
Words: software, schedule, file, organize, answer

Ex Output:

software