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: animal 
Words: dangle, fly, run, car, pounce

Ex Output:
car


Ex Input:
Category: aesthetic characteristic 
Words: handsome, detailed, calm, there, fine

Ex Output:
calm


Ex Input:
Category: consumer product 
Words: content, angry, file, service, jewelry

Ex Output:

angry