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: fudge, molasses, cream, tart, banned

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

A: hiking
****
Q: bun, pork, courage, cheese, frank

A:
courage
****