Please choose the correct ending to complete the given sentence: Playing polo: Two polo players run across a field. One player falls off his horse. Other polo players rush to the man laying on the field. an ambulance

Ending1: arrives with the man in it. Ending2: drives in and takes away the head of the injured player. Ending3: pulls up and paramedics help the man out of the ambulance. Ending4: comes to the player's aid.

Answer format: ending1/ending2/ending3/ending4