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: aesthetic characteristic 
Words: high quality, fine, attractive, alright, level

Ex Output:
alright


Ex Input:
Category: weather 
Words: windy, stormy, fair, tone, tangle

Ex Output:
tone


Ex Input:
Category: emotional status 
Words: alright, beautiful, happy, fine, relaxed

Ex Output:

beautiful