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]: pick, fret, string, fingerpick, sad
[EX A]: sad

[EX Q]: camp, fish, iguana, hike, kayak
[EX A]: iguana

[EX Q]: endure, even, light, fair, well
[EX A]:
endure