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.

[EX Q]: fret, notes, emotional state, bored, emotional upsets
[EX A]: notes

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

[EX Q]: fish, hiking, camp, hamster, kayak
[EX A]:
hamster