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: moral characteristic 
Words: unprejudiced, unjust, milky, ok, fair

Ex Output:
milky


Ex Input:
Category: physical property 
Words: fat, angular momentum, ugly, capacitance, fiber

Ex Output:
fiber


Ex Input:
Category: weather 
Words: sunny, fair, flaxen, deal, brisk

Ex Output:

flaxen