Detailed Instructions: 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
Problem:moreover, the board's finding of no waiver in this case accords with its practice of ""appl[ying] cauthorne . . . 'narrowly,'"" only finding waiver ""where there is explicit contract language authorizing an employer to cancel its obligations.""
Solution:
non-overruling