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]: level, knockout, deck, fight, gunwale
[EX A]: gunwale

[EX Q]: level, impartial, fair, tone, cool
[EX A]: impartial

[EX Q]: parrot, crane, hoist, flamingo, tackle
[EX A]:
tackle