Please choose the correct ending to complete the given sentence: BMX: The people start the race behind a closed and grated fence, which then opens and allows them to start racing from an elevated platform down onto the paved raceway. the racers

Ending1: pedal with one person in a white jacket in the lead. Ending2: pass snow covered stands along a hilly road up above the as they ride up the hill past the tight stands and sandy roads of the garage. Ending3: sit against the wall on the track as they wait for the race to start. Ending4: pass through gaps while the passengers attempts to stay ahead.

Answer format: ending1/ending2/ending3/ending4