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]: sausage, matter of fact, frank, vittles, grub
[EX A]: matter of fact

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

[EX Q]: order office supplies, file, type, sort mail, folder
[EX A]:
folder