Please choose the correct ending to complete the given sentence: Snow tubing: A person in red jacket is standing at the side of the lane. Two people are sliding down the lane covered in snow. the woman in the tube

Ending1: is skiing on it. Ending2: walks down the lane. Ending3: is going further down the lane as she wave her arms. Ending4: then sinks down into a lake of snow.

Answer format: ending1/ending2/ending3/ending4