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: shady activities 
Words: cookies, wrongful, fudge, smuggled, smear

Ex Output:
cookies


Ex Input:
Category: widespread 
Words: boring, common, soldier, general, average

Ex Output:
soldier


Ex Input:
Category: aesthetic characteristic 
Words: fine, classy, there, dull, happy

Ex Output:

happy