instruction:
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
question:
to date, appellant has neither filed a brief nor communicated with the court regarding the appeals.
answer:
non-overruling


question:
to the extent that they follow or approve of the holding in ex parte erwin, supra, the following cases are also overruled.
answer:
overruling


question:
schweiker v. hansen, 450 u. s. 785, 791 (1981) (marshall, j., dissenting).
answer:

non-overruling