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

Example Input: both anderson, supra, and page, supra, are now expressly overruled.
Example Output: overruling

Example Input: the absence of textual support is fatal for the fobian rule.
Example Output: overruling

Example Input: . rognrud
Example Output:
non-overruling