Please choose the correct ending to complete the given sentence: Fun sliding down: The girl in the green shirt goes down the slide. The girl goes up the stairs. The girl goes down the slide again. a dog

Ending1: is playing in the background. Ending2: runs up and down the slide again. Ending3: is inside the red slide. Ending4: comes down the slide.

Answer format: ending1/ending2/ending3/ending4