Please choose the correct ending to complete the given sentence: BMX: The men wait then take off riding around the track. A man falls off his bike and the bike slides. another man

Ending1: climbs off his bike and they go back and forth as they ride around. Ending2: watches the men goes around the track track. Ending3: is seen slow down and walk on the track, talking and adjusting the bike. Ending4: falls off his bike and is almost run over.

Answer format: ending1/ending2/ending3/ending4