Dan, an eight-year-old, rode his bicycle downhis driveway into a busy highway and Driver had to stop her car suddenly to avoid colliding with the bike. Because of the sudden stop, Driver's two-year-old son, Peter, who was sitting on the seat without any restraint, was thrown into the dashboard and injured. Had Peter been properly restrained in a baby car seat, as required by a state safety statute of which his mother was aware, he would not have been injured. In an action brought on Peter's behalf against Dan's parents to recover for Peter's injuries, Peter will 
not prevail, because parents are not vicariously liable for the negligent acts of their children.  not prevail, because Peter's injury was attributable to his mother's knowing violation of a safety statute.  prevail, if Dan's parents knew that he sometimes drove into the highway, and they took no steps to prevent it. they took no steps to prevent it.  prevail, if Dan's riding into the highway was negligent and the proximate cause of Peter's injuries. 