Please choose the correct ending to complete the given sentence: Snow tubing: A group of people are sitting down at the top of a snow slide in a tube. The person holding the camera starts his journey and he is off down the slopes of snow. as he

Ending1: goes, a dog appears floating in the water and begins chasing after something in the water. Ending2: goes lower, he begins to start actually doing snow slides. Ending3: reaches the bottom, several black mats are placed in front of him to help slow him down. Ending4: reaches the bottom, he is able to grab a selfie stick and keep going.

Answer format: ending1/ending2/ending3/ending4