Please choose the correct ending to complete the given sentence: Playing water polo: A video of water polo is shown in the gym. a few people

Ending1: are shown paddling their sailboats around the water at a fair. Ending2: are watching the event on the beach. Ending3: watch and the ball goes back and forth. Ending4: are playing the sport as they look back to celebrate.

Answer format: ending1/ending2/ending3/ending4