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]: stingray, fish, camp, swim, hunt
[A]: stingray


[Q]: pack, hearts, deck, queen, rudder
[A]: rudder


[Q]: tone, fair, windy, endure, cold
[A]:
tone