Please choose the correct ending to complete the given sentence: Longboarding: People are seen riding around on skateboards past one another. people

Ending1: watch on the side as one makes turns around. Ending2: look and smile to the camera while continuing to ride around a city on skateboards. Ending3: are then shown riding over a large-sized hill on a tube. Ending4: position themselves on top of exercise bikes.

Answer format: ending1/ending2/ending3/ending4