Please choose the correct ending to complete the given sentence: Playing polo: The men riding the horses are playing polo in the field. the men

Ending1: are chasing the ball and hitting with mallet. Ending2: are riding horses on a bumpy, muddy, and rough road. Ending3: set the goal goals of the polo match. Ending4: playing the polo takes turns running and making a goal through the people in the field.

Answer format: ending1/ending2/ending3/ending4