With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: China will purchase 250 million tons of liquefied natural gas from Iran over the next 30 years , will develop the massive Yadavaran oil field in Iran , and will receive 150,000 barrels of oil per day from that field .
text_B: The liquefying did not happen
not-entailed.