With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The pollsters found more than half of the respondents blame the U.S. for the violence occurring in Pakistan while few hold al-Qaida responsible , but that the U.S. has an opportunity to turn public opinion in its favor .
text_B: U.S. is a location
not-entailed.