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]: neat, fine, classy, penalty, high quality
[A]: penalty


[Q]: cookies, replace, fudge, banned, lie
[A]: cookies


[Q]: dump truck, crane, digger, excavator, swift
[A]:
swift