With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: For centuries China stood as a leading civilization , outpacing the rest of the world in the arts and sciences , but in the 19th and early 20th centuries , the country was beset by civil unrest , major famines , military defeats , and foreign occupation .
text_B: China is a location
entailed.