Please choose the correct ending to complete the given sentence: Ballet: Several girls are in a classroom dancing and doing ballet. The instructor then comes to talk briefly before continuing on coaching the girls. after

Ending1: , they all go into a choreographed form until they reach their final result. Ending2: the learned somersault, the instructor begins to teach them and stop taking notes. Ending3: , the class begins making fun of them when they cannot reach their twisted, sweaty heads. Ending4: , the exercises continue and the girls do leaps and jumps in the room before the outside of the dance studio is shown.

Answer format: ending1/ending2/ending3/ending4