sentence: There are two men in the water wearing wetsuits and laying on their surfboards as they ride a wave. sentence: The camera man is in a fast moving boat and he continues to video the surfers who are still riding the wave but now they are standing up. sentence:  The surfer who is in front is happy to riding the wave for so long that he raises his two arms up in the air and then lowers it back down. sentence:  The surfer in the back begins to lose balance and falls off of his board while the man in the front is still standing up.