Please choose the correct ending to complete the given sentence: Doing motocross: A person is riding on a dirt bike. He sets up for a race. he

Ending1: starts racing on his dirt bike. Ending2: races along paved roads at full speed. Ending3: races over a small hill and jumps on the green track. Ending4: slows down as he approaches a finish line.

Answer format: ending1/ending2/ending3/ending4