sentence: A group of children play bumper cars in an amusement park setting. sentence:   A group of children drive multi colored bumper cars around on an indoor surface as onlooker watch from the sidelines. sentence:   The cars are suddenly stopped from working and a worker walks on the floor between the cars and then walks amount the children as if speaking to them. sentence:   The cars start moving again and the children continue to drive until the cars are stopped again and the worker returns to the floor among the children before the scene fades out and some of the kids get off of the bumper cars.