Question: What country are both Heze and Shahe, Hebei located in?

full_context: Document 1: Heshan, Guangxi: Heshan () is a county-level city of central Guangxi, China, located on the lower reaches of the Hongshui River. It is under the administration of Laibin City.
Document 2: Shengzhou: Shengzhou (), formerly Shengxian or Sheng County, is a county-level city in central Zhejiang, south of the Hangzhou Bay, and is the south-eastern part of the prefecture-level city of Shaoxing. It is about 1.5 hours drive from the provincial capital of Hangzhou through the Hangzhou-Ningbo, Shangyu-Sanmen Expressway.
Document 3: Zhaoqing: Zhaoqing, formerly romanized as Shiuhing, is a prefecture-level city in Guangdong Province, China. During the 2010 census, its population was 3,918,467, with 1,232,462 living in the urbanized areas of Duanzhou District and Gaoyao County. The prefectural seat—excluding Seven Star Crags—is fairly flat, but thickly forested mountains lie just outside its limits. Numerous rice paddies and aquaculture ponds are found on the outskirts of the city. Sihui and the southern districts of the prefecture are considered part of the Pearl River Delta.
Document 4: Hezhou: Hezhou (贺州 ) is a prefecture-level city in the northeast of the Guangxi Zhuang Autonomous Region, People's Republic of China.
Document 5: Hongze District: Hongze () is a district (and former county) of the prefecture-level city of Huai'an in Jiangsu province, China. Occupying the southeastern shores of Lake Hongze, it borders the prefecture-level cities of Suqian to the northwest and Yangzhou (briefly) to the east.
Document 6: Shahe, Gao County: Shahe () is a town in the northeast of Gao County, southeastern Sichuan Province in Southwest China, located 30 km southeast of the city of Yibin. In 2009, it administered 26 villages. It is the home of Shahe tofu (沙河豆腐), one of the better known food products of Southern Sichuan that is also tender and features brilliant colours and Shahe Salted Duck (沙河板鸭).
Document 7: Shenmu: Shenmu () is a county-level city in the north of Shaanxi province, China. Under the administration of Yulin City, Shenmu is endowed with plentiful resources, especially coal and it located in the northwest of Shaanxi Provence. It is the richest county in Shaanxi Provence because of the abundant coal.
Document 8: Chuzhou: Chuzhou () is a prefecture-level city in eastern Anhui Province, China. It borders the provincial capital of Hefei to the southwest, Huainan to the west, Bengbu to the northwest, Chaohu to the south, and the province of Jiangsu to the east. According to the 2010 Census, the city of Chuzhou has a registered population of 3,937,868 inhabitants, whom 562,321 lived in the built-up ("or metro") area made of 2 urban districts. Nevertheless, 7,260,240 persons declared to be permanent residents.
Document 9: Shahe, Hebei: Shahe () is a county-level city in the prefecture-level city of Xingtai, in the southern part of Hebei province of the China.
Document 10: Xinji: Xinji(辛集，Xīnjí) is a county-level city with sub-prefecture-level city status, located under the administration of the prefecture-level city of Shijiazhuang of Hebei Province in northern China. There are 8 towns (镇，zhèn) and 7 townships (乡，xiāng) under the administration of Xinji.
Document 11: Heze: Heze () is a prefecture-level city in southwestern Shandong, China. It is home to 8,287,693 inhabitants, of whom 1,346,717 live in the built-up ("or metro") area comprising Mudan District. The westernmost prefecture-level city in Shandong, it borders Jining to the east and the provinces of Henan and Anhui to the west and south respectively. The old name of Heze was Caozhou (曹州 ; Cáozhōu) and now a part of the city bears this name. The first character in the city's name is sometimes incorrectly written as "荷 " instead.
Document 12: Shayang County: Shayang () is a county of west-central Hubei province, People's Republic of China. Administratively, it is part of the prefecture-level city of Jingmen. The county is located south of the Jingmen city proper, west of the Han River, and north of the Chang Lake ("Chang Hu").
Document 13: Handan: Handan () is a prefecture-level city located in the southwestern part of Hebei province, China. It borders Xingtai on the north, and the provinces of Shanxi on the west, Henan on the south and Shandong on the east. At the 2010 census, its population was 9,174,683 inhabitants whom 2,845,790 lived in the built-up ("or metro") area made of 3 urban districts, Handan and Yangyan counties, and Shahe City in Xintai municipality, largely being conurbated now.
Document 14: Shaoyang: Shaoyang () is a prefecture-level city in southwestern Hunan province, People's Republic of China, bordering Guangxi to the south. Shaoyang has a history of 2500 years and remains an important commercial and transportation city in Hunan. It has a city area and 8 suburban counties, with a population of 7.6 million, the largest in Hunan province.
Document 15: Yanzhou District: 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.
ground_truth: China