Please choose the correct ending to complete the given sentence: BMX: Men on their bikes are waiting to start a race . Two men hit their knuckles together before the race begins. the audience

Ending1: cheers for the fast of the race. Ending2: is cheering and the riders are off going super fast trying to win. Ending3: cheers when they start the race and cheers the man and axle in front of the cameras. Ending4: claps and goes back to their pushes, partying and scouring a race site.

Answer format: ending1/ending2/ending3/ending4