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: personal characteristic 
Words: cold, positive, calm, assured, cool

Ex Output:
cold


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

Ex Output:
doe


Ex Input:
Category: activity 
Words: misuse, fritter, seperate, pastry, goodbye

Ex Output:

pastry