Please answer the following question: Information:  - China, officially the People's Republic of China (PRC), is a unitary sovereign state in East Asia. With a population of over 1.381 billion, it is the world's most populous country. The state is governed by the Communist Party of China, and its capital is Beijing. It exercises jurisdiction over 22 provinces, five autonomous regions, four direct-controlled municipalities (Beijing, Tianjin, Shanghai, and Chongqing), and two mostly self-governing special administrative regions (Hong Kong and Macau), and claims sovereignty over Taiwan. The country's major urban areas include Shanghai, Guangzhou, Beijing, Chongqing, Shenzhen, Tianjin and Hong Kong. China is a great power and a major regional power within Asia, and has been characterized as a potential superpower.  - Mainland China, also known as the Chinese mainland or simply the mainland, is the geopolitical area under the direct jurisdiction of the People's Republic of China (PRC). It generally excludes the Special Administrative Regions of Hong Kong and Macau; however, it usually includes Hainan. The term "mainland China", which avoids calling the area simply "China" and thereby recognizing the founding of the PRC as "the" "China", was coined by the Kuomintang (KMT) after receiving control of Taiwan from Japan after World War II. By 1949, the KMT-led Republic of China (ROC) government was defeated in the Chinese Civil War in mainland China and fled to the island of Taiwan where the KMT pledged to "retake the Mainland". The KMT considers both sides of the Taiwan Strait (including Taiwan), as (one) "China" and one country, whereas Taiwan's Democratic Progressive Party (DPP) considers only mainland China as "China" and Taiwan (ROC) as "Taiwan" and maintains that they are different countries.  - Shenzhen is a major city in Guangdong Province, China. The city is located immediately north of Hong Kong Special Administrative Region and holds sub-provincial administrative status, with powers slightly less than a province.  - Henan is a province of the People's Republic of China, located in the central part of the country. Its one-character abbreviation is "" (yù), named after Yuzhou, a Han Dynasty state ("zhou") that included parts of Henan. Although the name of the province means "south of the river", approximately a quarter of the province lies north of the Yellow River, also known as the "Huang He".  - Guangqing Expressway (  ) connects the cities Guangzhou and Qingyuan in the Chinese province of Guangdong .  - Hong Kong, officially the Hong Kong Special Administrative Region of the People's Republic of China, is an autonomous territory on the Pearl River Delta of East Asia. Macau lies across the delta to the west, and the Chinese province of Guangdong borders the territory to the north. With a total land area of and a population of over 7.3 million of various nationalities, it ranks as the world's fourth most densely populated sovereign state or territory.  - Sichuan, formerly romanized as Szechwan, is a province in southwest China occupying most of the Sichuan Basin between the Himalayas on the west, the Daba in the north, and the Yungui Plateau to the east. Sichuan's capital is Chengdu.  - The Pearl River Delta (PRD), also known as Zhujiang Delta or Zhusanjiao, is the low-lying area surrounding the Pearl River estuary, where the Pearl River flows into the South China Sea. It is one of the most densely urbanised regions in the world and is an economic hub of China. This region is often considered an emerging megacity. The PRD is a megalopolis, with future development into a single mega metropolitan area, yet itself is at the southern end of a larger megalopolis running along the southern coast of China, which include metropolises such as Chaoshan, Zhangzhou-Xiamen, Quanzhou-Putian, and Fuzhou. The nine largest cities of PRD had a combined population of 57.15 million at the end of 2013, comprising 53.69% of the provincial population. According to the World Bank Group, the PRD has become the largest urban area in the world in both size and population.  - The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Karimata and Malacca Straits to the Strait of Taiwan of around . The area's importance largely results from one-third of the world's shipping sailing through its waters and that it is believed to hold huge oil and gas reserves beneath its seabed.  - Macau (literally: "Bay Gate"), (in Portuguese, which is still widely used in the city) also spelled Macao (in English), officially the Região Administrativa Especial de Macau da República Popular da China, is an autonomous territory on the western side of the Pearl River Delta in East Asia. Macau is bordered by the city of Zhuhai in China to the North and the Pearl River Estuary to the East and South. Hong Kong lies about to its East across the Delta. With a population of 650,900 living in an area of , it is the most densely populated region in the world.  - Qingyuan, formerly romanized as Tsingyun, is a prefecture-level city in northern Guangdong, China, on the banks of the Bei or North River. During the 2010 census, its total population was 3,698,412, out of whom 1,510,044 lived in the urbanized Qingcheng and Qingxin districtss. The primary spoken language is Cantonese. Covering , Qingyuan is Guangdong's largest prefecture by land area. The urban core is surrounded by mountainous areas but is directly connected with Guangzhou and the Pearl River Delta by Highway 107.  - The Silk Road or Silk Route was an ancient network of trade routes that were for centuries central to cultural interaction through regions of the Asian continent connecting the East and West from China to the Mediterranean Sea.  - Guangzhou , traditionally romanised as Canton, is the capital and largest city of the Province of Guangdong in southeastern China. Located on the Pearl River about north-northwest of Hong Kong and north of Macau, Guangzhou was a major terminus of the maritime Silk Road and continues to serve as a major port and transportation hub.  - A prefectural-level municipality, prefectural-level city or prefectural city is an administrative division of the People's Republic of China (PRC), ranking below a province and above a county in China's administrative structure. Prefectural level cities form the second level of the administrative structure (alongside prefectures, leagues and autonomous prefectures). Administrative chiefs (mayors) of prefectural level cities generally have the same rank as a division chief of a national ministry. Since the 1980s, most former prefectures have been renamed into prefectural level cities.  - Guangdong (Simplified ) is a province on the South China Sea coast of the People's Republic of China. Formerly romanised as Canton or Kwangtung, Guangdong surpassed Henan and Sichuan to become the most populous province in China in January 2005, registering 79.1 million permanent residents and 31 million migrants who lived in the province for at least six months of the year; the total population was 104,303,132 in the 2010 census, accounting for 7.79 percent of Mainland China's population. The provincial capital Guangzhou and economic hub Shenzhen are among the most populous and important cities in China. The population increase since the census has been modest, the province at 2014 end had 107,240,000 people.    After reading the paragraphs above, we are interested in knowing the entity with which 'guangqing expressway' exhibits the relationship of 'instance of'. Find the answer from the choices below.  Choices: - abbreviation  - administrative region  - area  - bank  - bank group  - bay  - capital  - character  - chinese  - city  - communist party  - continent  - country  - county  - dynasty  - five  - four  - gas  - gate  - government  - january  - jurisdiction  - language  - marginal sea  - municipality  - name  - oil  - party  - people  - population  - prefecture  - province  - rank  - region  - republic  - river  - river delta  - road  - route  - sea  - side  - size  - state  - strait  - structure  - term  - territory  - trade  - urban area  - war
Answer:
road