Please choose the correct ending to complete the given sentence: River tubing: People are seen walking in the forest carrying tubes and lead into them sitting in the water. more people

Ending1: are seen sitting around a boat on their bottom as well as riding in the tube along the mountains and performing tricks. Ending2: climb into the water and sit on top of their tubes. Ending3: are seen riding floating in tubes with the main frame covered in snow. Ending4: walk with the tubes enjoying the nanothermite water while a cold wind blows.

Answer format: ending1/ending2/ending3/ending4