Please choose the correct ending to complete the given sentence: Powerbocking: There's a person walking on stilts on a sidewalk where several cars are parked. he

Ending1: begins skateboarding along a narrow, winding course in the grass alongside some trees and other buildings. Ending2: walks around a corner and turns in a circle to show his four-letter name while walking. Ending3: takes steps on the stilts and bounces with them on the ground. Ending4: is demonstrating how to walk on stilts.

Answer format: ending1/ending2/ending3/ending4