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.

Q: trustworthy, well, fair, loyal, stormy

A: stormy
****
Q: hiking, stingray, shark, fish, tiger

A: hiking
****
Q: cat, kayak, fish, tiger, goat

A:
kayak
****