Which is an example of irony? a. a firefighter rushes into a blazing house to rescue a cat and barely survives the ordeal. b. a woman predicts that the baby she's carrying will be a boy, but the baby turns out to be a girl. c. a man challenges another man to a duel, but only one of the men shows up to the duel. d. a boy who is angry at his parent, slips into an alley to avoid his mother and runs right into his father?