Question: Are Guang'an and Tongchuan both in China?
Sentence (from "Shaanxi"): Officially part of the Northwest China region, it lies in central China, bordering the provinces of Shanxi (NE, E), Henan (E), Hubei (SE), Chongqing (S), Sichuan (SW), Gansu (W), Ningxia (NW), and Inner Mongolia (N).
Relevant evidence: No