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: descending, disgusted, down, miserable, emotional

Ex Output:
descending


Ex Input:
Category: shady activities 
Words: cookies, wrongful, fudge, smuggled, smear

Ex Output:
cookies


Ex Input:
Category: outdoor sport activity 
Words: cow, swim, fish, trap, climbing

Ex Output:

cow