Please choose the correct ending to complete the given sentence: Tennis serve with ball bouncing: A man is standing on an outdoor court that is blue and in slow motion he is shown throwing the tennis ball up in the air. When the tennis ball comes down the man hits it very hard with his racket. the man

Ending1: continues the exercise in circles until it finishes and it jumps to he jumps again. Ending2: then falls down on the red and white tiled floor. Ending3: throws the ball up again in the air and hits it very hard and does that three times until the words on the top of the screen spin away in a special effect as if it's spinning out into the distance of the video until it fades to black. Ending4: continues to hit the ball a few more short meters in the air, he walks back towards the sidelines where he is talking to someone and picks his racket up again.

Answer format: ending1/ending2/ending3/ending4