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]: replace, ice, fire, ban, hire
[EX A]: ice

[EX Q]: bow, gunwale, crew, deck, blocking
[EX A]: blocking

[EX Q]: steam roller, goose, parrot, crane, tackle
[EX A]:
steam roller