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]: concerned, bored, emotional, fret, output cord
[EX A]: output cord

[EX Q]: stingray, row, raft, hunting, fish
[EX A]: stingray

[EX Q]: stern, hot dog, precise, courage, frank
[EX A]:
hot dog