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]: climbing, cow, hiking, fish, wrestle
[EX A]: cow

[EX Q]: fair, loyal, decent, fine, tone
[EX A]: tone

[EX Q]: dolphin, fish, canyoning, row, climbing
[EX A]:
dolphin