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]: current, history, wave, jetstream, whirlpool
[EX A]: history

[EX Q]: unlicensed, chocolate, heavy, fudge, chocolate cake
[EX A]: unlicensed

[EX Q]: fair, deal, well, light, color
[EX A]:
deal