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]: dog, push, duck, squat, jog
[A]: dog


[Q]: variety, endure, level, fair, milky
[A]: endure


[Q]: happy, ok, ticket, acceptable, fine
[A]:
ticket