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:
delayed, brine, belated, current, postponed

Ex Output:
brine

Ex Input:
deck, crew, fight, knockout, tko

Ex Output:
crew

Ex Input:
toast, french toast, team, club, roll

Ex Output:
team