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

20. an ineffective assistance of counsel claim based on the failure to file a suppression motion is without merit if trial counsel lacked a legal or factual basis to do so.
non-overruling

accordingly, we now overrule chard and disavow statements in subsequent cases suggesting its correctness.
overruling

the mother did not respond, and the maternal grandmother picked up the children and kept them ""all summer.""

non-overruling