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:
emotional upsets, pick, emotional state, fret, emotional supports

Ex Output:
pick


Ex Input:
balanced, loyal, pale, fair, decent

Ex Output:
pale


Ex Input:
acceptable, ticket, fine, jail, custody

Ex Output:

acceptable