Please choose the correct ending to complete the given sentence: Doing motocross: A close up zooms in on a screen. Several adults and kids are outdoors. The kids are riding dirt bikes in a competition. they

Ending1: are shown racing around a course and over hills and taking sharp turns. Ending2: race each other over and over. Ending3: are all riding their bikes around and around. Ending4: are then shown climbing over a set of uneven bars down a slide.

Answer format: ending1/ending2/ending3/ending4