What happens next in this paragraph?

An introduction appears on the screen for a video about galloping along the beach. several images
Choose your answer from:
(1). of horses are shown as well as other techniques such as walking alongside an animal and pulling a rope off to angle the horse..
(2). are shown of people riding on horseback along the beach..
(3). come onto the screen about standing a horse..
(4). are shown of horses as a group of people ride along on several horses following a race..
(2).