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]: finger, heel, foot, ounce, elbow
[EX A]: ounce

[EX Q]: joker, fold, check, deck, jab
[EX A]: jab

[EX Q]: dull, exquisite, level, fine, ticket
[EX A]:
ticket