Please choose the correct ending to complete the given sentence: Rollerblading: An introduction comes onto the screen for a rollerskating video. a man

Ending1: comes onto the screen talking about skating in some motocross park. Ending2: is shown lifting a gym bar over his head and dropping it in front of him several times. Ending3: talks about the best practices to prepare to roller skate. Ending4: skates down the street with just his skates, wearing only underwear and skating.

Answer format: ending1/ending2/ending3/ending4