sentence: A man in the street talks to the camera while he holds a skateboard. sentence:   The man walks to the grass and stands on the skateboard in the grass. sentence:   The man picks up the skateboard and talks to the camera again. sentence:   The man puts the skateboard on the road and begins to ride it. sentence:   The man stops near the camera and starts talking again. sentence:   The man rides toward the camera one last time.