Please choose the correct ending to complete the given sentence: Doing motocross: A camera shows a forest off in the distance. A person is then seen riding in on a dirt bike. the person

Ending1: rides behind a bridge while the camera captures a tree. Ending2: rides in on a mat in the forest. Ending3: rides up over a hill while the camera captures his movements. Ending4: is holding wires and riding along the dirt path.

Answer format: ending1/ending2/ending3/ending4