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]: level, tone, fair, impartial, milky
[A]: impartial


[Q]: hunt, fish, stingray, dolphin, bat
[A]: hunt


[Q]: down, lower, opposite of up, ground, remorseful
[A]:
remorseful