Please choose the correct ending to complete the given sentence: Hand car wash: A man is crouching on the ground, cleaning something. Several cars are parked in a parking lot. people

Ending1: are standing and waiting behind them. Ending2: are seeing washing the cars with soap and water. Ending3: are using long hoses to clean a lake. Ending4: are on it to clean the cars.

Answer format: ending1/ending2/ending3/ending4