Question: Wuhai and Yulin, Shaanxi, are located in which country?

Context paragraphs:
Yulin Yuyang Airport: Yulin Yuyang Airport () (IATA: UYN, ICAO: ZLYL) is an airport serving the city of Yulin in Shaanxi Province, China.  The airport opened in March 2008, replacing the old Yulin Xisha Airport.  The airport is located 15.5 km from the urban area of Yulin.  Its construction started in 2005 and it was classified as a 4C grade civil regional airport.

Yulin, Shaanxi: Yulin () is a prefecture-level city in the Shanbei region of Shaanxi province, China, bordering Inner Mongolia to the north, Shanxi to the east, and Ningxia to the west.  It has an administrative area of 43578 km2 and a population of 3,380,000.

Shenmu: Shenmu () is a county-level city in the north of Shaanxi province, China.  Under the administration of Yulin City, Shenmu is endowed with plentiful resources, especially coal and it located in the northwest of Shaanxi Provence.  It is the richest county in Shaanxi Provence because of the abundant coal.

Wubu County: Wubu County (Chinese: 吴堡县; Pinyin: Wúbǔ Xiàn) is located in the southeastern corner of Yulin City, Shaanxi Province, China, and on western bank of Yellow River.  It is opposite to Liulin County, Shanxi Province, neighboring Jia County and Suide County.  The typical landscape within the county is loess plateau, and drought usually hovers in the area with serious soil erosion.

Yulin University: Yulin University is a Chinese university.  It is located in Yulin in Shaanxi Province, China.

Shaanxi Yanchang Petroleum: Shaanxi Yanchang Petroleum Group is a Chinese conglomerate mainly engaged in the exploration, production, transportation, and sale of petroleum and natural gas, and in addition the production and sales of petrochemical products.  Founded in 1905, it is the fourth largest oil producer in the country.  Almost all its reserves and refineries are located in Shaanxi.

Wuhai: Wuhai (Mongolian: ; ) is a prefecture-level city and regional center in the Inner Mongolia Autonomous Region of the China, and is by area the smallest prefecture-level division of the region.  It is located on the Yellow River between the Gobi and Ordos deserts. Wuhai became a single city occupying both banks of the Yellow River with the amalgamation on 1976 of left-bank (west) Uda (then administrated by Bayan Nuur League) together with Haibowan on the right (east) bank (then administrated by Ikh Juu league).  Wuhai is one of very few cities with an antipode which is not only on land (as opposed to open ocean), but which is another inhabited city; the antipode of Wuhai is almost exactly on the city of Valdivia, Chile.

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.

Supporting paragraphs: Wuhai Yulin, Shaanxi
Answer: China