With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The advertising farce of how much he loved Linda ( woman whose quality he did not deserve ) , was exposed when it was known that Paul had an affair with Heather Mills , Linda 's intimate friend , with whom McCartney went on a trip to New York and to whom he bought things and presents , while he was still mourning for his `` dear Linda `` .
text_B: The knowing did not happen
not-entailed.