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:
davit, hoist, crane, sandpiper, davit

Ex Output:
davit


Ex Input:
pack, suits, draw, deck, corner

Ex Output:
corner


Ex Input:
endure, fair, 70, well, tangle

Ex Output:

well