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:
while we realize that it is not strictly necessary, our holding, of course, overrules sherod.

Ex Output:
overruling

Ex Input:
725 f.3d at 1207 (citing to 40 c.f.r. 122.26(d)(2)(i)(f) (regarding municipal storm water discharges)).

Ex Output:
non-overruling

Ex Input:
in this regard, we return to and adopt judge sullivan's conclusion in hiscapes opinion, 615 n.e.2d at 455 (which we originally disapproved in our capes opinion

Ex Output:
overruling