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: store status 
Words: beside, finished for the day, running., close, gated

Ex Output:
beside


Ex Input:
Category: animal 
Words: hamster, fish, tiger, canyoning, sea turtle

Ex Output:
canyoning


Ex Input:
Category: fried food 
Words: waste, fritter, pie, pastry, dessert

Ex Output:

waste