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: hot, classy, pretty, fine, probation

A: probation
****
Q: joker, fold, check, deck, jab

A: jab
****
Q: up to the moment, late, course, current, delayed

A:
course
****