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: physical property 
Words: large, fat, capacitance, calories, ugly

Ex Output:
calories


Ex Input:
Category: boats 
Words: chips, crew, bow, deck, bridge

Ex Output:
chips


Ex Input:
Category: poker 
Words: pack, suits, draw, deck, corner

Ex Output:

corner