Possible answers:
(1). fall off the sled and end with them falling down and a person falling..
(2). slide down several more hill while others ride on skis pulled by horses in the back while falling..
(3). dressed in hooded grey robes float down the hill while more clips are shown with children riding at a sidewalk on the side..
(4). ride down as the person pulls the child out of the sled followed by more people riding down and walking up again..Choose from options above and answer: What most naturally follows?

A person is seen riding a sled down a hill followed by several people climbing up the hill and sliding back down again. an adult and child
Answer:
(4).