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

[EX Q]: fish, stingray, climbing, trap, hiking
[EX A]: stingray

[EX Q]: right there, close, touching, barred, closer
[EX A]:
barred