What happens next?

A man is riding a wave with a sailboat. He is leaning back and holding the camera on a rod. he

Pick your answer from:
[I] continues cutting through the water as he goes.;
[II] is holding the sail while he is rowing.;
[III] walks along the wave and then jumps in the water to swim away.;
[IV] is in the wind as he sails through the waves.;
[I]