TASK DEFINITION: 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: alvarez-machain'?, cursory analysis contains two errors that lead us to overrule it.

SOLUTION: overruling

PROBLEM: nor does simply having not yet had occasion to exercise one's authority under a power of attorney equate to a declination to serve.

SOLUTION: non-overruling

PROBLEM: he also admitted that, before he confessed, he requested that the police charge him with manslaughter in exchange for his statement.

SOLUTION:
non-overruling