Please choose the correct ending to complete the given sentence: Longboarding: Clips of skateboarders in different scenes. A skateboarder wearing a red helmet is skating down hill on a public street. a skateboarder

Ending1: rises up out of a pit. Ending2: wearing a red helmet is skateboarding down some residential path with bushes. Ending3: on a tight rope is flipped down inside a building. Ending4: wearing a black helmet skates downhill and performs some skateboard tricks.

Answer format: ending1/ending2/ending3/ending4