Please answer the following question: Information:  - Tai Wo Station is a station on Hong Kong 's East Rail Line . It was opened on 9 May 1989 and constructed in March 1986 as an intermediate station of the East Rail Line upon the completion of the Tai Wo Estate in Northern Tai Po New Town New Territories East .  - 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.  - 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.  - East Asia is the eastern subregion of the Asian continent, which can be defined in either geographical or ethno-cultural terms. Geographically and geopolitically, it includes China, Hong Kong, and Macao; Mongolia and Taiwan; North and South Korea; and Japan; it covers about , or about 28% of the Asian continent, about twice the area of Europe.  - Tai Po is an area in the New Territories of Hong Kong. It refers to the vicinity of the traditional market towns in the area presently known as Tai Po Old Market or Tai Po Kau Hui () (originally Tai Po Market) and the Tai Wo Town (Tai Wo Market) on the other side of the Lam Tsuen River, near the old Tai Po Market Station of the Kowloon-Canton Railway (British Section). Administratively, it is part of the Tai Po District.  - 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.  - New Territories (Hakka: "Sin Gai") is one of the three main regions of Hong Kong, alongside Hong Kong Island and the Kowloon Peninsula. It makes up 86.2% of Hong Kong's territory, and contains around half of the population of Hong Kong. Historically, it is the region described in The Convention for the Extension of Hong Kong Territory. According to that the territories comprise the mainland area north of the Boundary Street of Kowloon Peninsula and south of the Sham Chun River which is the border between Hong Kong and Mainland China, as well as over 200 outlying Islands including Lantau Island, Lamma Island, Cheung Chau, and Peng Chau in the territory of Hong Kong.  - The Mass Transit Railway (MTR) is the rapid transit railway system of Hong Kong. Opened in 1979, the system now includes of rail with 161 stations, including 93 railway stations and 68 light rail stops. Operated by the MTR Corporation Limited (MTRCL), the MTR is one of the most profitable metro systems in the world, with a high farebox recovery ratio of 186%.  - Tai Wo is an area in Tai Po Town in the New Territories of Hong Kong; it forms the northern part of Tai Po Town. It has its own railway station on the MTR and a market. Tai Wo Estate is a large public housing estate in the area; its shopping centre is adjacent to the Tai Wo MTR station.  - 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.  - 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.  - Tai Po New Town, or Tai Po Town, is a new town in the New Territories, Hong Kong.    After reading the paragraphs above, choose the best answer for the entity that related to 'tai wo station' with the relationship of 'part of'.  Choices: - accounting  - asia  - bay  - beijing  - china  - city  - communist party of china  - english  - europe  - japan  - lantau island  - mass  - mtr  - part  - population  - portuguese  - railway station  - railway system  - river  - sovereign state  - station  - year
A:
mtr