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]: deal, fair, endure, windy, ghostly
[A]: ghostly


[Q]: deck, dock, galley, joker, hull
[A]: joker


[Q]: trap, dog, fish, tiger, horse
[A]:
trap