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: emotional status 
Words: fine, wispy, alert, calm, relaxed

Ex Output:
wispy


Ex Input:
Category: police punishment 
Words: prison, fine, calm, money, suspension

Ex Output:
calm


Ex Input:
Category: accomodation 
Words: townhome, paved, flat, studio, paved

Ex Output:

paved