Dramatic irony is your answer. there are three types, situational, dramatic, adn verbal.
The correct answer is himself. Jason bought himself a ticket to the game tomorrow. The antecedent of the pronoun "himself" is "Jason". "Himself" is called a reflexive pronoun. Reflexive pronouns are used to refer back to the subject of the sentence to avoid repetition. These pronouns usually ends in -self or -selves.
