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:
hoagie, submarine, place, open-faced, club

Ex Output:
place


Ex Input:
ubiquitous, general, basic, major, popular

Ex Output:
major


Ex Input:
board, angry, truss rod, pick, fret

Ex Output:

angry