Please choose the correct ending to complete the given sentence: BMX: Various clips are shown of people riding around on bikes as well as sitting on bikes ready to race. several clips

Ending1: are shown out front of someone riding around on two or people riding behind. Ending2: are shown of people taking pictures as well. Ending3: are shown of people riding on their bicycles around and stopping at various spots to race. Ending4: are shown of people up close as well as them riding around on bikes.

Answer format: ending1/ending2/ending3/ending4