Question: Are Guang'an and Tongchuan both in China?
Sentence (from "Guang'an"): Guang'an lies between the hills of central Sichuan and the gorges area of the east.Guang'an is the only "Sichuan Chongqing Cooperation Demonstration Zone" in Sichuan and the nearest prefecture level city from the main city of Chongqing.
Relevant evidence: No