Please choose the correct ending to complete the given sentence: Playing water polo: Several young kids are in a pool. They throw a ball around to each other. they

Ending1: cover the ball and throw it into the pool. Ending2: swim back and forth with it. Ending3: jump up and down when the ball hits home plate. Ending4: sit on a bench outdoors and play.

Answer format: ending1/ending2/ending3/ending4