Please choose the correct ending to complete the given sentence: Pole vault: An athlete stands on a track. They are holding a long pole. They run down the track quickly. they

Ending1: then pole vault over a bar. Ending2: are in jump roping practice using the pole. Ending3: stand on the end, ready to make a jump from the railing. Ending4: launch the pole into the air.

Answer format: ending1/ending2/ending3/ending4