Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

Ex Input:
emotionalities, opposite of up, down, miserable, ashamed

Ex Output:
opposite of up


Ex Input:
penalty, handsome, suspension, hearing, fine

Ex Output:
handsome


Ex Input:
team, group, convention, club, submarine

Ex Output:

submarine