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]: jog, flap, fly, bee, bus
[EX A]: bee

[EX Q]: concerned, fret, notes, frustrated, worried
[EX A]: notes

[EX Q]: suspension, arrest, classy, custody, fine
[EX A]:
classy