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 status 
Words: high quality, fine, annoyed, relaxed, ok

Ex Output:
high quality


Ex Input:
Category: poker 
Words: fold, blind, deck, draw, box

Ex Output:
box


Ex Input:
Category: window material 
Words: metal, bowl, handle, panel, glass

Ex Output:

bowl