Please choose the correct ending to complete the given sentence: Pole vault: A male athlete holding a long pole runs toward a high bar inside a gym. the video

Ending1: then begins to play showing how people perform jumps and backflips across the mat. Ending2: begins to go in a slow motion pace as the man gets ready to perform the vault. Ending3: then goes back to the man with the long pole running. Ending4: then shows the athlete performing a physical exercise by stretching backwards and forwards several times.

Answer format: ending1/ending2/ending3/ending4