Please choose the correct ending to complete the given sentence: BMX: A bicycle riding course with bumps is shown. A number of bicycle riders are shown going through the course. a finger

Ending1: pushes a button on the device and the screen turns pink and a pattern appears with words on it. Ending2: covers part of the camera. Ending3: pointing holes in the machine then changes to the camera view. Ending4: extends into the distance followed by more riders.

Answer format: ending1/ending2/ending3/ending4