Please choose the correct ending to complete the given sentence: Wakeboarding: A man in ski jacket on a snowboard holds onto a rope attached to a truck. The truck starts driving and the man is pulled behind on the tow rope. the man

Ending1: maneuvers to pull up parallel with the truck and alternates going back and forth behind the truck. Ending2: 's hand is buried in snow and he begins sliding down. Ending3: gets to the top of a slope and steadies himself. Ending4: squeezes on the rope and ends the race.

Answer format: ending1/ending2/ending3/ending4