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]: centimeter, yard, foot, milimeter, head
[EX A]: head

[EX Q]: honorable, medium, trustworthy, fair, balanced
[EX A]: medium

[EX Q]: sail, deck, fold, cards, joker
[EX A]:
sail