Question: Are Yanzhou District and Shangqiu both located in China?
Related documents: [0]  [DOC] Yanzhou (postal: Yenchow; ) is a district and former county-level city under the administration of Jining, in the southwest of Shandong province, People's Republic of China. [END] 
[1]  [DOC] Shangqiu (), formerly romanized as Shangkiu, is a city in eastern Henan province, Central China. It borders Kaifeng to the northwest, Zhoukou to the southwest, and the provinces of Shandong and Anhui to the northeast and southeast respectively. An ancient city with a rich history, Shangqiu was also the first capital of the Shang dynasty. Its population was 7,362,975 inhabitants at the 2010 census whom 1,536,392 lived in the built-up ("or metro") area made up of Liangyuan and Suiyang districts. [END] 
Answer: 
yes
yes