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 display 
Words: follow, doe, suppressed, culture, fawn

Ex Output:
doe


Ex Input:
Category: bird 
Words: crane, sandpiper, hoist, windlass, goose

Ex Output:
windlass


Ex Input:
Category: poker 
Words: suits, galley, blind, deck, chips

Ex Output:

galley