Context: Obama also chided McCain for another new commercial that promises " change that we need . " " Sound familiar ? " said Obama , who has made " change " the central theme of his campaign . " Let me tell you , instead of borrowing my lines he needs to borrow some of my ideas . Change is n\'t about slogans . It \'s about substance . " He also took a little poke at McCain \'s running mate , Gov.
Question: Why would Obama be talking about McCain like that ?
Option 0: None of the above choices .
Option 1: Obama wants to memorialize McCain after his death .
Option 2: They are political rivals .
Option 3: Obama is commending the usages of slogans .
Answer: 2