Please choose the correct ending to complete the given sentence: BMX: Various clips of different boys all dressed up in their protective bike gear play as they are all shown riding their bikes very quickly around different tracks. from the view point of a rider

Ending1: , boys are riding around a track and suddenly a rider in front loses their balance and the rider falls off their bike and the camera man just rides on by avoiding hitting the fallen rider and the bike, and it plays twice. Ending2: heading around large high jumps of the track taking off at around 10 km/h several more of the boys are shown riding around one another. Ending3: by the fire, he appears to be chasing someone in his bike. Ending4: , the boys are able to sight see the finishing product when one of them neil it.

Answer format: ending1/ending2/ending3/ending4