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

Ex Input:
the commission instead undertakes to ensure ""just and reasonable"" wholesale rates by enhancing competitionattempting, as we recently explained, ""to break down regulatory and economic barriers that hinder a free market in wholesale electricity.""

Ex Output:
non-overruling


Ex Input:
the district court granted the stipulated motion to dismiss, id., at 39a, and respondents appealed.

Ex Output:
non-overruling


Ex Input:
specifically, we explained:

Ex Output:

non-overruling


