Question: Which city is closest to Wuzhou City, Macheng or Cenxi?

Context paragraphs:
Cangwu County: Cangwu County is a county of Guangxi, China.  It is under the administration of Wuzhou city.

Macheng No. 1 High School: The Macheng NO.1 High School(),of which predecessor is Macheng County Higher Primary School(麻城县立高等小学堂),was rebuilt from Tingzhou the City South Examination Hall(城南亭州试院)in 1905by Qu Zihou(屈子厚,1851─1911),the Qing Dynasty's former Speaker of the Macheng County Counciland Director of Eduction,is a noted and key high school in Hubei Province.

Teng County: Teng County or Tengxian () is a county of eastern Guangxi, China.  It is under the administration of Wuzhou City.  , it had a population of 930,000 residing in an area of 3943 km2 .

Wuzhou Changzhoudao Airport: Wuzhou Changzhoudao Airport () (IATA: WUZ, ICAO: ZGWZ) is an airport serving the city of Wuzhou in Guangxi Zhuang Autonomous Region, China.  A new airport, Wuzhou Xijiang Airport, is being constructed to replace Changzhoudao Airport.  It is expected to open in 2017.

Cenxi: Cenxi () is a county-level city under the administration of Wuzhou City, in the east of Guangxi, People's Republic of China.

Changzhou District: Changzhou District () is a district of Guangxi, China.  It is under the administration of Wuzhou city.

Wanxiu District: Wanxiu District is a district of Guangxi, China.  It is under the administration of Wuzhou city.

Dieshan District: Dieshan District is a district of Wuzhou city, Guangxi, China.

Mengshan County: Mengshan County () is a county under the administration of Wuzhou City in northeastern Guangxi, China.  Its seat is located in Mengshan Town.

Macheng: Macheng () is a city in northeastern Hubei province, People's Republic of China, bordering the provinces of Henan to the north and Anhui to the northeast.  It is a county-level city under the administration of Huanggang City and abuts the south side of the Dabie Mountains.  The city's administrative area covers about 3600 km2 , and includes some 700 villages and small towns.  Total population was 1.2 million at the last census.

Supporting paragraphs: Macheng Cenxi
Answer: Cenxi