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: the forest preserve foreclosed and then bought the property at the foreclosure auction.
Example Output: non-overruling

Example Input: inasmuch as the supreme court of the united states has directly held that a geographical term which was descriptive of the place where the articles were manufactured was not registrable even though it had acquired a secondary meaning, we must follow our decision in the overhead door case, supra, which is in harmony with the views of the supreme court, and in so far as the opinion in the case of in re plymouth motor corporation, supra, expresses a contrary view, it must be considered as overruled.
Example Output: overruling

Example Input: a court of equity can refuse to require removal of an encroachment where ""the cost of removal by the defendant[s] would be greatly disproportionate to the injury to the plaintiff from [the] continuation"" of the encroachment.
Example Output:
non-overruling