Please choose the correct ending to complete the given sentence: Kayaking: A large water fall is shown. a person

Ending1: does a hand stand off into the distance. Ending2: goes down the cascade on their skateboard. Ending3: in front of the falls is showing how to do surfing lessons from the instructor. Ending4: goes over the water fall in a green kayak.

Answer format: ending1/ending2/ending3/ending4