Question: In what country are the cities Guilin and Ankang located?

full_context: Document 1: Yan'an: Yan'an (, ; is a prefecture-level city in the Shanbei region of Shaanxi province, China, bordering Shanxi to the east and Gansu to the west. It administers several counties, including Zhidan (formerly Bao'an), which served as the headquarters of the Chinese Communists before the city of Yan'an proper took that role.
Document 2: Yulin, Guangxi: Yulin (), formerly romanized as Watlam, is one of the fourteen prefecture-level cities of the Guangxi Zhuang Autonomous Region, People's Republic of China. Its Chinese name was changed in 1956 from the historical name 鬱林 (), which only sounds the same in Mandarin as the current one, but very different in the local dialect of Yue Chinese; 鬱 is uat˥ while 玉 is ȵok˨. The former romanization follows the pronunciation of the historical name in Yue Chinese.
Document 3: Guilin: Guilin, formerly romanized as Kweilin, is a prefecture-level city in the northeast of China's Guangxi Zhuang Autonomous Region. It is situated on the west bank of the Li River and borders Hunan to the north. Its name means "Forest of Sweet Osmanthus", owing to the large number of fragrant sweet osmanthus trees located in the city. The city has long been renowned for its scenery of karst topography and is one of China's most popular tourist destinations.
Document 4: Jiujiang: Jiujiang (), formerly transliterated Kiukiang or Kew Keang, is a prefecture-level city located on the southern shores of the Yangtze River in northwest Jiangxi Province, People's Republic of China. It is the second-largest prefecture-level city in Jiangxi province after the provincial capital Nanchang. "Jiujiang" literally means "nine rivers".
Document 5: Anshun: Anshun () is a prefecture-level city of Guizhou province, near the location of Huangguoshu Waterfall, the tallest in China. Within the borders of its prefecture there are attractions such as The Long Gong Dragon Caves and The Getu River. As of 2010, it had a population of 2,297,339. The city proper had a population of 765,313. The city is known for its aerospace industry.
Document 6: Shangluo: Shangluo () is a prefecture-level city in southeastern Shaanxi province, People's Republic of China, bordering Henan to the northeast and Hubei to the southeast. Part of the Shannan region of the province, it is located in the eastern part of the Qin Mountains (Qin Ling). The name, "Shangluo", comes from Han Dynasty when four famous people were settled in Shang Mountain to avoid war and famine.
Document 7: Guiping: Guiping is a county-level city in eastern Guangxi, China. It is under the administration of Guigang City, located at the confluence of the Qian and Yu rivers, which are the Xi River's primary north and south tributaries, respectively.
Document 8: Shaanxi: Shaanxi () is a province of the People's Republic of China. 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). It covers an area of over 205,000 sqkm with about 37 million people. Xi'an—which includes the sites of the former Chinese capitals Fenghao and Chang'an—is the provincial capital. Xianyang, which served as the Qin capital, is located nearby. The other prefecture-level cities into which the province is divided are Ankang, Baoji, Hanzhong, Shangluo, Tongchuan, Weinan, Yan'an and Yulin.
Document 9: Qian River: The Qian River () is the name of a short section of the Xi River system and, thus, the greater Pearl River system in Guangxi, China. It is formed by where the Liu Jiang meets the larger Hongshui He east of Laibin, then flows southeast through Wuxuan. At Guiping it is joined by the more southerly Yu Jiang to form the Xun branch of the Xi Jiang. The Qian, for most of its length, winds between the Dayao and Lianhua Mountains, before entering the valley just below Xishan Mountain west of Guiping.
Document 10: Ankang: Ankang () is a prefecture-level city in southern Shaanxi Province in the People's Republic of China.
Document 11: Yu River (Guangxi): The Yu River (郁江 or 鬱江) (also called the Siang River) is a river in the south of China. It rises in two branches - the Zuo River (左江) and the You River (右江). The You flows roughly south-east from its source close to Baise City in Guangxi. The Zuo flows north-east from its sources in Vietnam: Peng River (Vietnamese: Bằng Giang) and Kỳ Cùng River (totally in Vietnam). They meet just west of Nanning. From here, it is known as the Yong Jiang (邕江) as it flows through Nanning before becoming the Yu . The Yu itself runs roughly northeast before joining the Qian River (黔江) at Guiping to form the Xun River.
Document 12: Qin-Lian Yue: Qin–Lian (Hamlim, 欽廉方言) is a southern branch of Yue Chinese spoken in the coastal part of Guangxi, which is represented by four traditional cities Qinzhou, Lianzhou, Lingshan and Fangcheng ("欽廉靈防") or by three modern prefecture-level cities Qinzhou, Beihai and Fangcheng ("欽北防").
Document 13: Anshan: Anshan () is the third largest prefecture-level city in Liaoning province, People's Republic of China. Situated in the central area of the province, Anshan is about 92 km south of Shenyang, the provincial capital. Anshan is on the boundary between the Mountains of eastern Liaoning and the plains of the west. The prefecture has a population of 3,584,000 people and covers an area of about 9,252 km2 . The distance from the east to the west of the prefecture is 133 km . The area contains the famous Qianshan National Park. The city's name is derived from the shape of a nearby mountain that resembles the shape of a horse's saddle, which can be seen on the left (west) about five minutes before the northbound train arrives at Anshan Station. Anshan is home to the Anshan Iron and Steel Group, one of the largest steel producers in China. Anshan is sister cities with Sheffield
Document 14: Chang'an District, Xi'an: Chang'an District () is one of nine districts of Xi'an, the capital of Shaanxi province, China. It is the most spacious of the nine districts and third-largest out of all 13 county-level divisions of Xi'an, while it is also the second most-populous. The district borders the prefecture-level cities of Shangluo to the southeast and Ankang to the southwest, Weiyang and Yanta Districts to the north, Baqiao District to the northeast, Lantian County to the east, and Hu County to the west.
Document 15: Chang'an, Dongguan: Chang'an Town () is an industrial town within the Dongguan prefecture-level city in the Pearl River Delta, in the Guangdong Province of southern China. The population of Chang'an was 594,809 at the 2000 Census, making it the most populous town (zhèn) in China at that count.
ground_truth: China