Please choose the correct ending to complete the given sentence: Playing pool: In the building, there are multiple pool tables and a man begins instructing them on what to do. different people

Ending1: begin talking to one another about which lead into the game of pool. Ending2: arrive to pick up cues and have them shown. Ending3: are shown playing pool or using the pool balls when he starts to show more instructions. Ending4: begin hitting the balls and the instructor goes over to help them.

Answer format: ending1/ending2/ending3/ending4