With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Earlier Wednesday , Abu Musab al-Zarqawi 's terrorist group , al-Qaida in Iraq , said in an Internet statement that it had killed the two diplomats , who were abducted last Thursday in Baghdad .
text_B: Abu Musab is a natural entity
not-entailed.