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: unflappalbe, refreshing, funny, cool, confident

A: refreshing
****
Q: color, variety, well, fair, decent

A: decent
****
Q: basic, captain, ordinary, general, universal

A:
captain
****