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: that is because ""if counsel has failed to conduct a reasonable investigation to prepare for sentencing, then he cannot possibly be said to have made a reasonable decision as to what to present at sentencing.""
Example Output: non-overruling

Example Input: but to the extent the court of appeal's implication might be read to suggest that the magistrate's failure cannot deny a defendant a substantial right affecting the legality of the commitment even when the failure is prejudicial as well as erroneous, the appellate court's opinion is unsound under the analysis set out above and is hereby disapproved.
Example Output: overruling

Example Input: id. at 581, citing pappas, supra at 431.
Example Output:
non-overruling