Please choose the correct ending to complete the given sentence: Longboarding: Three boys are sitting on the side of a mountain, putting on gear. they

Ending1: are bungee walking, going down the hill quickly, gaining class and animation. Ending2: skate around the road winding around the mountain. Ending3: open their backpacks while climbing. Ending4: stand, pedaling as they climb up the hill.

Answer format: ending1/ending2/ending3/ending4