Please choose the correct ending to complete the given sentence: Calf roping: There is a man on a horse waiting for the time to get going to start. once the gates

Ending1: open, they start going and the in the back row looks scared. Ending2: open a cow starts running and the man on the horse chases after it with a tassel. Ending3: open, it begins to rain and the horse runs and jumps over obstacles. Ending4: suddenly open, he takes off running and jumps over the gate.

Answer format: ending1/ending2/ending3/ending4