Please choose the correct ending to complete the given sentence: BMX: People rides bikes very fast in the road and giving high jumps when passing the bumpy part of the road. the shadows of a biker

Ending1: dressed in camouflage pose in the road with an ax making a set of jumps. Ending2: cast on the bumpy road. Ending3: of different ages, form the bikers who from the start try to stay upright. Ending4: going all on a short bridge are shown with some people skiing on the path.

Answer format: ending1/ending2/ending3/ending4