Please choose the correct ending to complete the given sentence: BMX: A scoreboard and large video screen are shown. bikers

Ending1: launch down a very tall ramp onto a dirt bike track. Ending2: are placed on motorcycles and being ridden. Ending3: are in a rodeo ring exercising. Ending4: ride through a city and into a pit.

Answer format: ending1/ending2/ending3/ending4