Please choose the correct ending to complete the given sentence: Fun sliding down: He is climbing up a set of stairs. Now is sliding fast down a slide. Another boy is shown playing in the grass. now the first boy

Ending1: is being picked up by a woman. Ending2: climbs up a set of stairs and continues sliding up the stairs. Ending3: is sliding down a concrete slide. Ending4: is riding a wheelchair up the slide.

Answer format: ending1/ending2/ending3/ending4