With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: NATO Secretary-General Jaap de Hoop Scheffer has called on Pakistan and NATO countries to step up their fight against Islamist militants along the Pakistani-Afghan border .
text_B: NATO Secretary-General Jaap de Hoop Scheffer is a day of the month
not-entailed.