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

based on a comparison between inmates inside and outside disciplinary segregation, the state's actions in placing him there for 30 days did not work a major disruption in his environment.
non-overruling

we disapprove britton, supra, 156 cal.app.3d 689, sedillo, supra, 135 cal.app.3d 616, and palmquist, supra, 123 cal.app.3d 1, to the extent they suggest otherwise.
overruling

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

overruling