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]: blue, wave, current, timely, drink
[EX A]: timely

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

[EX Q]: bordering, beside, right there, close, not open
[EX A]:
not open