Please choose the correct ending to complete the given sentence: River tubing: A person is seen riding in a tube down a river while the camera zooms in on a persons feet. the people in tubes

Ending1: ride past others in the water. Ending2: ride along continuously up and down. Ending3: move along all around the area while the camera continues to pan around. Ending4: then spin themselves and do tricks over waterfalls.

Answer format: ending1/ending2/ending3/ending4