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

[EX Q]: folder, hardware, file, firewall, support
[EX A]: support

[EX Q]: bored, board, fret, jack, pick
[EX A]:
bored