Please choose the correct ending to complete the given sentence: Playing lacrosse: Two referees runs about and down the field with the players. Other players watch from the sideline near a fence. a group of people keeping score

Ending1: and behind them two coach's by a fence. Ending2: sit at a table on the sideline. Ending3: are roping a crowd. Ending4: distance ensure no one gets injured.

Answer format: ending1/ending2/ending3/ending4