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: fire, instruct, inferno, retire, scold

A: inferno
****
Q: fritter, apple, divide, blueberry, danish

A: divide
****
Q: fine, arrest, prison, exquisite, probation

A:
exquisite
****