Please choose the correct ending to complete the given sentence: River tubing: One tuber runs into branches, one stands up and falls over. The cameraman turns circles in his tube then has a snack. one guy

Ending1: gets his head tangled in branches. Ending2: reach a stem, falls over then makes his way across the ground. Ending3: sits on the sidewalk cleaning his shoes. Ending4: mixes several liquids and coffee beans together.

Answer format: ending1/ending2/ending3/ending4