Please choose the correct ending to complete the given sentence: Drum corps: A drum corp is heard drumming proudly as the cadets march down the street. The marchers begin waving to the crowd and greeting the onlookers. a long train whistle

Ending1: plays behind them as the little girl in green returns to her position. Ending2: is blown to signal it of a boarding. Ending3: wakes up the crowd. Ending4: is heard as the cadets continue to wave to the crowd.

Answer format: ending1/ending2/ending3/ending4