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

id. msha acknowledged that ""the nearest mine opening may not always be the safest route to the surface"" and different ""factors affect whether or not the safest, most direct, practical route has been selected,"" such as ""roof conditions, travel height, fan location, physical dimensions of the mine   opening, and similar considerations.""
non-overruling