With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Meanwhile , the head of North Korea 's legislature , Choe Thae Bok , told a conference in Manila on Tuesday that his country produced nuclear weapons because it needs to protect itself from an invasion by the United States .
text_B: Choe Thae Bok is a location
not-entailed.