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

[EX Q]: firm, tough, solid, hard, streamline
[EX A]: streamline

[EX Q]: united, hard, ceo, shareholders, firm
[EX A]:
hard