With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The blast near the U.S. consulate in Karachi on March 2 killed the U.S. diplomat David Foy , three Pakistanis and the attacker who rammed his explosive-laden car into a car carrying the diplomat .
text_B: March is a geographical/political entity
not-entailed.