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]: fish, bat, mice, dog, hiking
[EX A]: hiking

[EX Q]: derrick, crane, neck, swallow, winch
[EX A]:
derrick