Please choose the correct ending to complete the given sentence: Ballet: People practice ballet in a studio alone and in couples. then

Ending1: , a man begins dancing and top dancing standing on the ground. Ending2: , a boy and a girl dance ballet, then a man enter and dance with the girl. Ending3: , the band performs ballet in the studio and in the open gathered. Ending4: , people dances and dances together, dancing.

Answer format: ending1/ending2/ending3/ending4