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]: club, hero, lettuce, bar, toast
[EX A]: bar

[EX Q]: vitamin c, carbs, fiber, fat, thin
[EX A]: thin

[EX Q]: well, luke, balanced, unprejudiced, fair
[EX A]:
luke