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]: confident, popular, classy, cool, chill
[EX A]: chill

[EX Q]: amalgamated, firm, unyielding, shareholders, ceo
[EX A]: unyielding

[EX Q]: harsh, cheese, courage, honest, frank
[EX A]:
cheese