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: outdoor sport activity 
Words: hunt, row, wrestle, fish, hamster

Ex Output:
hamster


Ex Input:
Category: corporate 
Words: unyielding, firm, streamline, llc, private

Ex Output:
unyielding


Ex Input:
Category: direction 
Words: right, up, emotional supports, forward, down

Ex Output:

emotional supports