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: fair, medium, size, light, loyal

Ex Output:
loyal


Ex Input:
Category: emotional display 
Words: follow, doe, suppressed, culture, fawn

Ex Output:
doe


Ex Input:
Category: aesthetic characteristic 
Words: size, level, brisk, fair, well

Ex Output:

brisk