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: variety, fair, alright, pale, flaxen

Ex Output:
alright


Ex Input:
Category: weather 
Words: brisk, fair, sunny, cold, balanced

Ex Output:
balanced


Ex Input:
Category: aesthetic characteristic 
Words: level, handsome, happy, hot, fine

Ex Output:

happy