Please answer the following question: Information: - Agra Road was a former station on the Salsette - Trombay Railway . It was dismantled after the rail line closed down in 1934 . The station lay in the Kurla region of Mumbai , located close to where the Tramway route ( Today 's CST Road ) intersected the Old Agra Road ( currently Lal Bahadur Shastri Marg ) , close to the Kurla BEST Bus Depot . - The standard gauge (also Stephenson gauge after George Stephenson, International gauge, or normal gauge) is a widely used railway track gauge. Approximately 55% of the lines in the world are this gauge. All high-speed rail lines (except those in Russia, Uzbekistan, and Finland) are standard gauge. The distance between the inside edges of the rails is defined to be (except in the United States, where it is still defined in Imperial and US customary units as ). It is also called the UIC gauge or UIC track gauge, the European gauge in the EU and Russia, or uniform gauge in Queensland, Australia. - India, officially the Republic of India ("Bhrat Gaarjya"), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country (with over 1.2 billion people), and the most populous democracy in the world. It is bounded by the Indian Ocean on the south, the Arabian Sea on the southwest, and the Bay of Bengal on the southeast. It shares land borders with Pakistan to the west; China, Nepal, and Bhutan to the northeast; and Myanmar (Burma) and Bangladesh to the east. In the Indian Ocean, India is in the vicinity of Sri Lanka and the Maldives. India's Andaman and Nicobar Islands share a maritime border with Thailand and Indonesia. Its capital is New Delhi; other metropolises include Mumbai, Kolkata, Chennai, Bangalore, Hyderabad and Ahmedabad. - Kurla is a suburb of Mumbai, India. It is the headquarters of the Kurla taluka of Mumbai Suburban District. The suburb is named after the eponymous East Indian village that the suburb grew out of. It falls under Zone 5, Ward 'L' of the Municipal Corporation of Greater Mumbai. Its railway station, spelt as "Coorla" until 1890, is one the busiest on the Mumbai suburban railway on the central and harbour railway lines of Mumbai as is the Lokmanya Tilak Terminus (LTT) for out-station passenger/express trains. - Andheri is a suburb of Mumbai, situated in the west of the city on the Salsette Island. - The Salsette Trombay Railway also known as the Central Salsette Tramway was a railway line on the island of Salsette in the city of Mumbai (Bombay), India. The line was opened in 1928 by the Great Indian Peninsular Railway under the Bombay Improvement Trust which called for ""the opening up of a Railway line running West to South-east and linking up the Andheri and Kurla stations" to "render available for building purposes vast tracts of land sufficiently close to the city."" Hence the line linked Andheri in the north with the village of Trombay in the east. The standard gauge heavy rail line was about 13km long. During weekends, the line was frequented by picnickers who used to travel to Trombay to buy toddy or palm liquor. In 1934 the line was shut to make way for the Santacruz Airport. - Mumbai (also known as Bombay, the official name until 1995) is the capital city of the Indian state of Maharashtra. It is the most populous city in India and the ninth most populous agglomeration in the world, with an estimated city population of 18.4million. Along with the neighbouring regions of the Mumbai Metropolitan Region, it is one of the most populous urban regions in the world and the second most populous metropolitan area in India, with a population of 20.7million . Mumbai lies on the west coast of India and has a deep natural harbour. In 2009, Mumbai was named an alpha world city. It is also the wealthiest city in India, and has the highest GDP of any city in South, West, or Central Asia. Mumbai has the highest number of billionaires and millionaires among all cities in India. - Trombay is a northeastern suburb in Mumbai, India, with Mankhurd as the closest railway station on the Harbour Line of the Mumbai Suburban Railway. After reading the paragraphs above, we are interested in knowing the entity with which 'agra road railway station' exhibits the relationship of 'instance of'. Find the answer from the choices below. Choices: - airport - area - capital - city - coast - country - distance - district - headquarters - india - island - line - metropolitan - metropolitan area - municipal corporation - name - number - ocean - official - railway line - railway station - republic - running - share - standard - state - station - suburb - track - tramway
A:
railway station