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]: blocking, corner, deck, fight, hearts
[EX A]: hearts

[EX Q]: current, timely, prompt, drink, do tests
[EX A]: drink

[EX Q]: persistent, cool, assured, unflappalbe, chill
[EX A]:
chill