Multi-select problem: How does the next paragraph end?

A person is seen riding in a tube down a river while the camera zooms in on a persons feet. The people in tubes ride past others in the water. more people

Available choices:
1). ride down a river while a large wave is shown far below.
2). are seen riding down the river in tubes.
3). ride and ride down the river at the same time.
4). climb out of their tubes and walk away while the camera follows them.
2).