This is a test of commonsense with single/multi-choices. Complete the next sentence:

The video leads into several shots of people riding surf boards along the water. more clips

Choose from:
(a). are shown of people exercising with paddles along the water as well as talking and competing with one another.
(b). are shown of people surfing along the water and moving with the waves.
(c). are shown of surfers riding waves and performing stunts in front of the camera.
(d). are shown of people doing tricks off a board as well as coming back to play as well as riding along the water.
The answer is:
(b).