You will be given a definition of a task first, then some input of the task.
In this task, you are given a set of context paragraph and some supporting facts to answer a question. Your task is to generate answer for given question based on set of context paragraphs and supporting facts.

Context_1 : Panzhou () is a county-level city of Guizhou, China. It is under the administration of Liupanshui city. Context_2 : Tianchang is a Sub-prefecture-level city on the Yangtze River, 290 km northwest of Shanghai, it's a part of Yangtze River Delta Economic Zone. It is under the administration of Chuzhou, Anhui Province, China. Context_3 : Tianchang, Jingxing County () is a township-level division of Jingxing County, Shijiazhuang, Hebei, China. Context_4 : Panzhou Railway Station is a railway station of Hangchangkun Passenger Railway located in Guizhou, People's Republic of China. fact_1 : Panzhou () is a county-level city of Guizhou, China. fact_2 : Tianchang is a Sub-prefecture-level city on the Yangtze River, 290 km northwest of Shanghai, it's a part of Yangtze River Delta Economic Zone. fact_3 :  It is under the administration of Chuzhou, Anhui Province, China. Question: Are both  Panzhou and Tianchang in China?
Output:
yes