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]: hull, galley, deck, lifeline, tko
[A]: tko


[Q]: pack, suits, draw, deck, corner
[A]: corner


[Q]: bus, fly, swim, spider, flap
[A]:
spider