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]: ok, wispy, jail, prime, fine
[EX A]: ok

[EX Q]: blackjack, gin, poker, wine, slapjack
[EX A]: wine

[EX Q]: cool, relaxed, unruffled, classy, refreshing
[EX A]:
refreshing