sentence: A man water skiis at a river. sentence:  A long haired man operates a boat and the boat drags a man water skiing across the water. sentence:  A man in glasses speaks to the camera. sentence:  A guy holding onto a rope attached to a boat water skiis. sentence:  The man in the glasses appears again, speaking to the camera and points to a man water skiing on the river. sentence:  The water skiier glides back and forth on the water of the river. sentence:  The man in glasses talks about the water skiis.