Please choose the correct ending to complete the given sentence: Playing water polo: Several swimmers idle in a pool in a line while an audience watches. the swimmers

Ending1: all swim over and practice on an elliptical. Ending2: enter the pool and compete in a sport where one player makes several hits directly at the net. Ending3: reach the bottom of the ladder and cheer each other. Ending4: swim towards the middle of the pool in unison as the camera pans to reveal more swimmers approaching from the other direction.

Answer format: ending1/ending2/ending3/ending4