Which is an example of irony? a. a woman predicts that the baby she's carrying will be a boy, but the baby turns out to be a girl. b. a firefighter rushes into a blazing house to rescue a cat and barely survives the ordeal. c. a woman plays the lottery every day, only to find a buried treasure in her backyard. d. a man challenges another man to a duel, but only one of the men shows up to the duel.