Please choose the correct ending to complete the given sentence: Playing squash: A man is positioning a camera and then walks into a room through a wall of glass with three walls in them. when he

Ending1: completes mixing varying objects he changes from one side to the other. Ending2: reaches the other side, he takes some more tools and starts to unroll the boards. Ending3: enters, he starts painting the walls with various materials while using a toothbrush as a tool. Ending4: enters the room, another man appears with a racket in his hand and they begin hitting the ball up against the wall.

Answer format: ending1/ending2/ending3/ending4