Question: Are both Weifang and Nyingchi prefecture-level cities?

full_context: Document 1: Wendeng District: Wendeng () is a district of Weihai, Shandong province, in northeastern China. Wendeng is primarily an industrial based area, with a large minority of citizens working as farmers. Wendeng was originally a county, then converted to a county-level city in 1988, then converted to an urban district in 2014.
Document 2: 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 3: Yinchuan: Yinchuan is the capital of the Ningxia Hui Autonomous Region, China, and historically it was the former capital of the Western Xia Empire of the Tanguts. It has an area of 4467 sqkm and a total population of 1.99 million. Its built up area is home to 1,290,170 inhabitants spread on three urban districts. The name of the city literally means "silver river".
Document 4: Weifang: Weifang () is a prefecture-level city in central Shandong province, People's Republic of China. The city borders Dongying to the northwest, Zibo to the west, Linyi to the southwest, Rizhao to the south, Qingdao to the east, and looks out to the Laizhou Bay to the north. Its population was 9,086,241 at the 2010 census, of whom 2,659,938 lived in the built-up ("or metro") area made up of 4 urban districts ("Kuiwen, Weicheng, Hanting and Fangzi") and Changle County largely being urbanized.
Document 5: Rizhao: Rizhao () is a prefecture-level city in southeastern Shandong province, China. It is situated on the coastline along the Yellow Sea, and features a major seaport. It borders Qingdao to the northeast, Weifang to the north, Linyi to the west and southwest, and faces Korea and Japan across the Yellow Sea to the east.
Document 6: Yichun, Heilongjiang: Yichun () is a prefecture-level city on the Songhua river in Heilongjiang province, People's Republic of China. The city is separated from Russia by the Amur River and has an international border of 246 km . At the 2010 census, Yichun has a total population of 1,148,126 while 729,202 people live in 15 districts separated by forests. The greening rate of Yichun is up to 83%. The nickname of Yichun is Lindu ().
Document 7: 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 8: Langfang: Langfang (), is a prefecture-level city of Hebei Province, which was known as Tianjin Prefecture until 1973. Hebei province was renamed Langfang Prefecture after Tianjin became a municipality and finally upgraded into a prefecture-level city in 1988. Langfang is located approximately midway between Beijing and Tianjin. At the 2010 census, the population of Langfang was 4,358,839, of whom 868,066 lived in the built-up ("or metro") area made of Guangyang and Anci districts; its total area is around 6417.28 km² . Langfang borders Baoding to the southwest, Cangzhou to the south (both prefecture-level cities of Hebei), Beijing to the north and Tianjin to the east. Sanhe City and Dachang Hui County are now conurbated with Beijing, so that they form part of the same built-up area. Langfang is the smallest prefecture-level city of Hebei Province by land area.
Document 9: Tacheng: Tacheng (Qoqek/Sawesek) or Chöchek is a county-level city (1994 est. pop. 56,400) and the administrative seat of Tacheng Prefecture, in northern Ili Kazakh Autonomous Prefecture, Xinjiang, one of the autonomous regions of China.
Document 10: Wafangdian: Wafangdian (), formerly Fuxian or Fu County (), is one of the two "northern county-level cities", the other being Zhuanghe, under the administration of Dalian, located in the south of Liaoning province, China. The city is famous for its ball bearing industry. Wafangdian Bearing Factory is the largest bearing manufacturer in Asia and was initially built by the Japanese during World War II. Its area is 3576.40 km² and its permanent population as of 2010 is 942,197, compared to 1,024,876 registered with hukou permits. The city borders the prefecture-level city of Yingkou to the northeast.
Document 11: Nyingchi: Nyingchi also known as Linzhi is a prefecture-level city in southeast of the Tibet Autonomous Region. The administrative seat of Nyingchi is Bayi District. The Chinese claim part of Arunachal Pradesh, which is one of the states of India, as part of the prefecture. (See South Tibet dispute.)
Document 12: 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 13: Quanzhou: Quanzhou, formerly known as Chinchew, is a prefecture-level city beside the Taiwan Strait in Fujian Province, China. Its is Fujian's largest metropolitan region, with an area of 11,245 km2 and, as of the 2010 census, a population of 8,128,530. Its built-up area is home to 6,107,475 inhabitants, encompassing the Licheng, Fengze, and Luojiang urban districts; Jinjiang, Nan'an, and Shishi cities; Hui'an County; and the Quanzhou District for Taiwanese Investment. Quanzhou was China's 12th-largest extended metropolitan area in 2010.
Document 14: Kangding: Kangding (Chinese) or Dartsedo (Tibetan), is a city and the location of the seat of Garzê Tibetan Autonomous Prefecture in western Sichuan province of Southwest China. Kangding's urban center has around 100,000 inhabitants.
Document 15: Yingtan: Yingtan () is a prefecture-level city in the east of Jiangxi province, People's Republic of China, bordering Fujian to the southeast. Its location near the trisection of Jiangxi, Fujian, and Zhejiang has made it a strategically important city for centuries. Today, it continues to be a major rail transport hub.
ground_truth: yes