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: police punishment 
Words: fine, prime, firstrate, comfortable, ticket

Ex Output:
comfortable


Ex Input:
Category: computers 
Words: prepare, space, file, image, ram

Ex Output:
prepare


Ex Input:
Category: type of sandwich 
Words: roll, dagwood, burger, club, team

Ex Output:

team