Context_1 : Greater Changsha Metropolitan Region or Changsha-Zhuzhou-Xiangtan City Cluster () is a large area in Hunan province, China, consisting of three prefecture-level cities of Changsha, Xiangtan and Zhuzhou, the place is the heavily urbanized region of Hunan and covers an area of 28,087 km. It covers an area of 1,883 km in the urban area with 5.92 millions of popupation, GDP reaches CN￥ 568.37 billions(US$ 90.04 billions), GDP per capita is CN￥ 96,067(US$ 15,665), the core area of three cities (Changzhutan metropolis) has an area of 483.77 km in 2012. On December 14, 2007, it was issued as Comprehensive Supporting Reform Trial Areas to build a resource conserving and environment friendly society by China NDRC. Context_2 : 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"). Context_3 : 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. Context_4 : Lu'an (), is a prefecture-level city in western Anhui province, People's Republic of China, bordering Henan to the northwest and Hubei to the southwest. At the 2010 census, it had a total population of 5,612,590, whom 1,644,344 resided in the built-up area made of 2 urban districts. Neighbouring prefecture-level cities are the provincial capital of Hefei to the east, Anqing to the south, Huanggang (Hubei) and Xinyang (Henan) to the west, and Huainan and Fuyang to the north. Although the character "六 " (literally: "six") is normally pronounced "Liù", in this case it changes to "Lù" on account of the historical literary reading. Context_5 : 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.) Context_6 : The Coastal Passageway is a high-speed rail corridor running along the eastern coast of China, stretching from Dalian in the north to Fangchenggang in the south and passing through the cities of Qinhuangdao, Tianjin, Dongying, Weifang, Qingdao, Lianyungang, Yancheng, Nantong, Shanghai, Ningbo. Fuzhou, Xiamen, Shenzhen, and Zhanjiang. The Weifang-Qingdao stretch splits into two, one directly connecting Weifang to Qingdao, the other connecting Weifang to Qingdao through Yantai. Announced in 2016 as part of the national "Eight Vertical and Eight Horizontal" high-speed railway network, the line will comprise of a mixture of high-speed railway lines, upgraded conventional rail lines and intercity railways. Context_7 : 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. Context_8 : 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. Context_9 : This is a list of the cities of the People's Republic of China, including all direct-controlled municipalities, sub-provincial cities, prefecture-level cities, but excluding special administrative regions, in order of their life expectancy. Context_10 : Prefectures, formally a kind of prefecture-level divisions as a term in the context of China, are used to refer to several unrelated political divisions in both ancient and modern China. There are 333 prefecture-level divisions in China. They include 17 prefectures and 283 prefecture-level cities. Other than provincial level divisions, prefectural level divisions are not mentioned in the Chinese constitution. fact_1 : Weifang () is a prefecture-level city in central Shandong province, People's Republic of China. fact_2 : Nyingchi also known as Linzhi is a prefecture-level city in southeast of the Tibet Autonomous Region. Question: Are both Weifang and Nyingchi prefecture-level cities?
Output: yes