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]: brownie, fudge, wrongful, mangle, loosen
[EX A]: brownie

[EX Q]: deck, check, joker, board, bridge
[EX A]: bridge

[EX Q]: scorching, cool, icy, ethical, mild
[EX A]:
ethical