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: see 15 u.s.c.  1692a(6) (""the term 'debt collector' means any person who uses any instrumentality of interstate commerce or the mails in any business the principal purpose of which is the collection of any debts, or who regularly collects or attempts to collect, directly or indirectly, debts owed or due or asserted to be owed or due another""; chiang v. verizon new england, inc., 595 f.3d 26, 41 (1st cir. 2010) (""creditors collecting on their own accounts are generally excluded from the [fdcpa's] reach"" unless they use ""any name other than [their] own which would indicate that a third person is collecting or attempting to collect such debts"").
Example Output: non-overruling

Example Input: in sum, tomlin's per se approach to rule 60(b) is no longer good law.
Example Output: overruling

Example Input: as the court explained, the state has the "" 'duty . . . to protect the people's common heritage of streams, lakes, marshlands and tidelands, surrendering that right of protection only in rare cases when the abandonment of that right is consistent with the purposes of the trust.'
Example Output:
non-overruling