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: answer, answer calls, space, file, schedule

A: space
****
Q: down, kind, ashamed, sliding, unhappy

A: sliding
****
Q: windy, fair, cold, honorable, make the grade

A:
honorable
****