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: location (proximity) 
Words: beside, closest, close, adjacent, shut

Ex Output:
shut


Ex Input:
Category: shady activities 
Words: loosen, smuggled, chocolate, wrongful, fudge

Ex Output:
chocolate


Ex Input:
Category: boxing terminology 
Words: glove, deck, blocking, hull, apron

Ex Output:

hull