sentence: A group of people holding skateboards stand on the start line, then people skateboard down the road. sentence:  They get in a school bus, then, they skateboard on the road. sentence:  A boy falls on the ground, and other people continue skateboarding. sentence:  Two, people fall on the road. sentence:  After, a man gives the start to people who skateboard on the road until reach the finish line to receive their trophies. sentence:  A person skateboard jumping on a ramp.