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]: invent, smuggled, smear, fudge, pie
[EX A]: pie

[EX Q]: duplex, studio, cabin, horizontal, flat
[EX A]: horizontal

[EX Q]: deal, fair, endure, windy, ghostly
[EX A]:
ghostly