Question: Which is a prefecture-level city, Chuzhou or Hulin?
Context: 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. 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. Nanqiao District is a district of the prefecture-level city of Chuzhou in Anhui Province, China. Huai'an (), formerly called Huaiyin () until 2001, is a prefecture-level city in central Jiangsu province of Eastern China.  It borders Lianyungang, Suqian to the north, Yancheng to the northeast, Yangzhou to the southeast, and Chuzhou (Anhui) to the southwest. Abei Township, also Abeixiang () is a township-level division situated in the Jixi prefecture of Heilongjiang, China.  It is located 120 km by S309 and S211 roads northeast of Hulin.  Established in 1979 under the jurisdiction of Hulin City, it has an area of almost 300 square kilometers and more than 11.2 million mu of arable land.  It contains Xinancha Reservoir, which lies east of the main village towards Xiaomuhe. Yizheng () is a county-level city under the administration of Yangzhou, Jiangsu province, China, with a population of about 600,000 (2007).  It borders the prefecture-level divisions of Chuzhou (Anhui) to the north and Nanjing to the west. Huainan () is a prefecture-level city with 2,334,000 inhabitants in central Anhui Province, People’s Republic of China.  It borders the provincial capital of Hefei to the south, Lu'an to the southwest, Fuyang to the west, Bozhou to the northwest, Bengbu to the northeast and Chuzhou to the east. Hefei ( , ), formerly known as Hofei, Luzhou, or Luchow, is the capital and largest city of Anhui Province in China.  A prefecture-level city, it is the political, economic, and cultural center of Anhui.  Located in the central portion of the province, it borders Huainan to the north, Chuzhou to the northeast, Wuhu to the southeast, Tongling to the south, Anqing to the southwest and Lu'an to the west. Hulin () is a county-level city on the Muling River in southeastern Heilongjiang province, People's Republic of China.  With a population of around 200,000, it is under the administration of Jixi.  Nearby are Lake Xingkai, 51 km to the southwest, the Usuri River, which forms the Russian border 38 km to the east.  The main agricultural products include soybeans, cattle, milk, various organic produces, and lumber. Fengyang County is a county of Anhui Province, China.  It is under the administration of Chuzhou, a prefecture-level city.
Answer: Chuzhou