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]: hot, classy, pretty, fine, probation
[EX A]: probation

[EX Q]: ghostly, clime, tone, level, fair
[EX A]:
clime