Please choose the correct ending to complete the given sentence: Waterskiing: The boat is pulling the same tube with several young people on it. A person water skis behind the boat. a jet ski

Ending1: passes by the boat then we see the passengers. Ending2: is pulled by a boat. Ending3: is held on water behind the boat. Ending4: is being pulled by a boat.

Answer format: ending1/ending2/ending3/ending4