sentence: In the back of the car, in the trunk a man is using a screwdriver to fix his board. sentence:  Then, he begins to ride down the street in the concrete for a while moving down casually. sentence:   Another man skating down the side walk gets off and on to the street. sentence:  Two men standing in the street with their board, one of them starts skating, goes off into the dirt and then back on the road, until he finally stops and falls over on the grass.