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.

[Q]: air, fire, hire, ban, promote
[A]: air


[Q]: crane, pelican, egret, hummingbird, upraise
[A]: upraise


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