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]: blue, current, drink, water, prompt
[EX A]: prompt

[EX Q]: fire, cool, water, ban, ice
[EX A]: ban

[EX Q]: smuggled, heavy, falsehood, fudge, invent
[EX A]:
heavy