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]: group, clan, hamburger, club, bar
[EX A]: hamburger

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

[EX Q]: shameful, down, descending, sad, loveful
[EX A]:
descending