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]: ice, let go, fire, sack, replace
[EX A]: ice

[EX Q]: fib, fudge, fix, cookies, falsehood
[EX A]: cookies

[EX Q]: level, fair, tone, decent, milky
[EX A]:
decent