Please choose the correct ending to complete the given sentence: Tennis serve with ball bouncing: A man stands on a tennis court preparing to serve the ball. the man

Ending1: hits the tennis ball across the court. Ending2: waits till the serve falls then hits the ball and it lands three times. Ending3: begins swinging from the tennis racket. Ending4: serves the ball with his racket to his opponent using a throwing pin.

Answer format: ending1/ending2/ending3/ending4