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]: egret, mallet, tackle, davit, crane
[EX A]: tackle

[EX Q]: derrick, crane, pelican, swift, winch
[EX A]:
derrick