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.

Q: close, nearest, touching, on top of, barred

A: barred
****
Q: bow, draw, galley, deck, crew

A: draw
****
Q: caution, box, canvas, joker, deck

A:
joker
****