sentence: There are some people going sailing a motor boat with wakeboarders in the river. sentence:  A pickup truck towing a motor boat behind it arrives with two men. sentence:  Two other men direct the pickup truck to get ready for sailing. sentence:  The men wear their waterproof boots to get ready for wakeboarding. sentence:  As the motorboat takes off, the man on the wakeboard follows behind them. sentence:  The wakeboarder does stunts on the board as he flips over the and lands back on the river. sentence:  He does several flips on the board as the motorboat sails forward. sentence:   The wakeboarder does front and back flips in the air and sometimes lands in water but gets right back on the board. sentence:  He continues to wakeboard as the people in the motorboat smile and wave at him. sentence:  He does various stunts on the board, fallls into the water but springs right back up on the board. sentence:  Then he swims right next to the motorboat as the sun sets.