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]: fire, blaze, water, flame, recruit
[EX A]: recruit

[EX Q]: goodies, sausage, frank, bold, entree
[EX A]: bold

[EX Q]: heat, fire, empower, hire, replace
[EX A]:
heat