Please choose the correct ending to complete the given sentence: River tubing: A camera zooms in on a person riding in a tube. more people

Ending1: are seen riding down a snowy hill and using the tubes on themselves. Ending2: are seen riding in tubes behind the man. Ending3: pass on front the tube and a man talks to the camera. Ending4: are shown riding down the tubes as they laugh and talk to one another.

Answer format: ending1/ending2/ending3/ending4