Please choose the correct ending to complete the given sentence: Slacklining: Some white text on a black background explains that no humans were injured during this video. A young man is making some faces to the camera while standing in front of a rock. some footage

Ending1: is shown from a boys' bathroom while he is taking a shower. Ending2: ends with a question of a menu and the man having a drink. Ending3: appears with no black text on it at all. Ending4: plays of other people tight rope walking and doing other tricks on the tight rope.

Answer format: ending1/ending2/ending3/ending4