With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Not only is the army facing serious political fallout , growing anti-Americanism and anti-army feeling in the tribal areas but it is also taking heavy casualties - between 400 - 500 Pakistani soldiers have been killed in the region since March .
text_B: The killing did not happen
not-entailed.