sentence: There's a person walking on stilts on a sidewalk where several cars are parked. sentence:  He is demonstrating how to walk on stilts. sentence:  He is joined by two other men who also join him in the tutorial. sentence:  The man on stilts shows how fast he can run while on the stilts as well as jump high up. sentence:  While he's running on the stilts, his friend drives alongside him in a car. sentence:  The man continues to do stunts on the stilts.