Please choose the correct ending to complete the given sentence: Rollerblading: People are rollerblading through the city, going down the stairs and even on sidewalks. Two boys jump into an s shaped structure while rollerblading. two people

Ending1: on a sidewalk ware rollerblading in a red and green outfit while other people walk and stand. Ending2: are doing figure eights on a bridge as they roller blade. Ending3: are alone on the ground going along the sidewalk. Ending4: are jumping down the stairs, one with a basket and the other with a van while rollerblading and holding a toddler in their arms and they all go up the stairs.

Answer format: ending1/ending2/ending3/ending4