Given the task definition and input, reply with output. In this task, you will be shown a sentence, and you should determine whether it is overruling or non-overruling. In law, an overruling sentence is a statement that nullifies a previous case decision as a precedent by a constitutionally valid statute or a decision by the same or higher ranking court which establishes a different rule on the point of law involved. Classify your answers into overruling or non-overruling

there is no law or legal precedent specifically directing that a transit authority must control the schedules and work hours of transit employees to provide safe public transit, and the cta cannot show a well-defined and dominant public policy that prevents collective bargaining of the type of scheduling and work hour matters at issue here.
non-overruling