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: a pure ""charge offense"" system, however, also has serious problems.
Example Output: non-overruling

Example Input: the jury reasonably could have inferred that appellant purchased the rugs, obtained the department number and uline number from the receipt, returned the rugs, wrote the department number and uline number from the original rugs on inferior rugs that did not belong to the chain store, and then presented the inferior rugs and a receipt that did not pertain to those two rugs to the second store, seeking a refund.
Example Output: non-overruling

Example Input: and as a creature of state law, bbghad may exercise a portion of the state's police power.
Example Output:
non-overruling