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.

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


[Q]: fighter, boring, popular, standard, general
[A]: fighter


[Q]: fine, ticket, dull, neat, detailed
[A]:
ticket