Context: The Docklands Light Railway (DLR) is an automated light metro system opened in 1987 to serve the redeveloped Docklands area of London. It reaches north to Stratford, south to Lewisham, west to and in the City of London financial district, and east to Beckton, London City Airport and Woolwich Arsenal., The River Thames is a river that flows through southern England. At , it is the longest river entirely in England and the second longest in the United Kingdom, after the River Severn. It also flows through Oxford (where it is called Isis), Reading, Henley-on-Thames and Windsor. The lower reaches of the river are called the Tideway, derived from its long tidal reach up to Teddington Lock. It rises at Thames Head in Gloucestershire, and flows into the North Sea via the Thames Estuary. The Thames drains the whole of Greater London. , The West India Docks are a series of three docks on the Isle of Dogs in London, England the first of which opened in 1802. The docks closed to commercial traffic in 1980 and the Canary Wharf development was built on the site., A tram stop, tram station, streetcar stop, or light rail station is a place designated for a tram, streetcar, or light rail vehicle to stop so passengers can board or alight it. Generally, tram stops share most characteristics of bus stops, but because trams operate on rails, they often include railway platforms, especially if stepless entries are provided for accessibility. However, trams may also be used with bus stop type flags and with mid-street pavements as platforms, in street running mode., The London and North Eastern Railway (LNER) was the second largest of the "Big Four" railway companies created by the Railways Act 1921 in Britain. It operated from 1 January 1923 until nationalisation on 1 January 1948. At that time, it was divided into the new British Railways' Eastern Region, North Eastern Region, and partially the Scottish Region., A side platform is a platform positioned to the side of a pair of tracks at a railway station, tram stop, or transitway. Dual side platform stations, one for each direction of travel, is the basic station design used for double track railway lines (as opposed to, for instance, the island platform where a single platform lies between the tracks). Side platforms may result in a wider overall footprint for the station compared to an island platform where a single width of platform can be shared by riders using either track., The Mayor of London is an elected politician who, along with the London Assembly of 25 members, is accountable for the strategic government of Greater London. The current mayor is Sadiq Khan, who took up office on 9 May 2016. The position had been held by Ken Livingstone from the creation of the role on 4 May 2000 until he was defeated in 2008 by Boris Johnson, who served two terms before being succeeded by Khan., The City of London is a city and county within London. It constituted most of London from its settlement by the Romans in the 1st century AD to the Middle Ages, but the agglomeration has since grown far beyond the City's borders. The City is now only a tiny part of the metropolis of London, though it remains a notable part of central London. Administratively, it forms one of the 33 local authority districts of Greater London; however, the City of London is not a London borough, a status reserved for the other 32 districts (including London's only other city, the City of Westminster). , The Great Eastern Railway (GER) was a pre-grouping British railway company, whose main line linked London Liverpool Street to Norwich and which had other lines through East Anglia. The company was grouped into the London and North Eastern Railway in 1923., Minories (not ) is the name of a former civil parish, also known as Minories Holy Trinity, and a street in the City of London, close to the Tower of London., Middlesex (abbreviation: Middx) was a county in southeast England that is now mostly part of Greater London, with small sections in neighbouring counties. It was established in the Anglo-Saxon system from the territory of the Middle Saxons, and existed as an official unit until 1965. The historic county included land stretching north of the River Thames from east to west of the City of London with the rivers Colne and Lea and a ridge of hills as the other boundaries. The largely low-lying county, dominated by clay in its north and alluvium on gravel in its south, was the second smallest by area in 1831., The London Assembly is an elected body, part of the Greater London Authority, that scrutinises the activities of the Mayor of London and has the power, with a two-thirds majority, to amend the Mayor's annual budget and to reject the Mayor's draft statutory strategies. The assembly was established in 2000 and meets at City Hall on the South Bank of the River Thames, close to Tower Bridge. The assembly is also able to investigate other issues of importance to Londoners (transport, environmental matters, etc.), publish its findings and recommendations, and make proposals to the Mayor., Stepney is a district of the London Borough of Tower Hamlets in London's East End that grew out of a medieval village around St Dunstan's church and the 15th century ribbon development of Mile End Road. The area built up rapidly in the 19th century, mainly to accommodate immigrant workers and displaced London poor, and developed a reputation for poverty, overcrowding, violence and political dissent. It was severely damaged during the Blitz, with over a third of housing totally destroyed; and then, in the 1960s, slum clearance and development replaced most residential streets with tower blocks and modern housing estates. Some Georgian architecture and Victorian era terraced housing survive in patches: for example Arbour Square, the eastern side of Stepney Green, and the streets around Matlock Street., Londinium was a settlement established on the current site of the City of London around  43. Its bridge over the River Thames turned the city into a road nexus and major port, serving as a major commercial centre in Roman Britain until its abandonment during the 5th century., A meander, in general, is a bend in a sinuous watercourse or river. A meander forms when moving water in a stream erodes the outer banks and widens its valley, and the inner part of the river has less energy and deposits silt. A stream of any volume may assume a "meandering" course, alternately eroding sediments from the outside of a bend and depositing them on the inside. The result is a "snaking" pattern as the stream meanders back and forth across its down-valley axis. When a meander gets cut off from the main stream, an oxbow lake forms. Over time meanders migrate downstream, sometimes in such a short time as to create civil engineering problems for local municipalities attempting to maintain stable roads and bridges., Surrey is a county in the south east of England and also one of the home counties bordering Greater London. Surrey shares borders with Kent to the east, East Sussex to the south-east, West Sussex to the south, Hampshire to the west and south-west and Berkshire to the north-west. The county town is Guildford. Surrey County Council sits extraterritorially at Kingston upon Thames, administered as part of Greater London since 1965. With a resident population of 1.1 million, Surrey is the most densely populated and third most populated county in the South East region, after Kent and Hampshire., An island platform (also center platform, centre platform) is a station layout arrangement where a single platform is positioned between two tracks within a railway station, tram stop or transitway interchange. Island platforms are popular on twin-track routes and can provide for services in both directions from a single platform requiring only one set of supporting services (lifts, escalators, toilets, ticket offices, kiosks). They are also useful within larger stations where local and express services for the same direction of travel can be provided from opposite sides of the same platform thereby simplifying transfers between the two. An alternative arrangement is to position side platforms on either side of the tracks., The Isle of Dogs is an area in the East End of London that is bounded on three sides (east, south and west) by one of the largest meanders in the River Thames. The northern boundary has never been clearly or consistently defined (the name Isle of Dogs had no official status until 1987, with the creation of the Isle of Dogs Neighbourhood by Tower Hamlets Borough Council), but many accept it to be the (former) line of the West India South Dock., Kent is a county in South East England and one of the home counties. It borders Greater London to the north west, Surrey to the west, East Sussex to the south west, and Essex across the Thames Estuary to the north. The county town is Maidstone. , The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a sovereign country in western Europe. Lying off the north-western coast of the European mainland, it includes the island of Great Britain (the name of which is also loosely applied to the whole country), the north-eastern part of the island of Ireland, and many smaller islands. Northern Ireland is the only part of the UK that shares a land border with another sovereign statethe Republic of Ireland. Apart from this land border, the UK is surrounded by the Atlantic Ocean, with the North Sea to its east, the English Channel to its south and the Celtic Sea to its south-south-west, giving it the 12th-longest coastline in the world. The Irish Sea lies between Great Britain and Ireland. With an area of , the UK is the 78th-largest sovereign state in the world and the 11th-largest in Europe. It is also the 21st-most populous country, with an estimated 65.1 million inhabitants. Together, this makes it the fourth most densely populated country in the European Union., England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west. The Irish Sea lies northwest of England and the Celtic Sea lies to the southwest. England is separated from continental Europe by the North Sea to the east and the English Channel to the south. The country covers five-eighths of the island of Great Britain (which lies in the North Atlantic) in its centre and south; and includes over 100 smaller islands such as the Isles of Scilly, and the Isle of Wight., Hertfordshire (often abbreviated Herts) is a county in southern England, bordered by Bedfordshire to the north, Cambridgeshire to the north-east, Essex to the east, Buckinghamshire to the west and Greater London to the south. For government statistical purposes, it is placed in the East of England region., Great Britain, also known as Britain , is a large island in the north Atlantic Ocean off the northwest coast of continental Europe. With an area of , Great Britain is the largest European island and the ninth-largest in the world. In 2011 the island had a population of about 61 million people, making it the world's third-most populous island after Java in Indonesia and Honshu in Japan. The island of Ireland is situated to the west of it, and together these islands, along with over 1,000 smaller surrounding islands, comprise the British Isles archipelago., South Dock was a railway station on the Isle of Dogs in east London . It was between Millwall Junction and Millwall Docks on the Millwall Extension Railway ( MER ) branch of the London and Blackwall Railway ( LBR ) which opened to goods traffic on 18 December 1871 and to passenger services on 29 July 1872 . The station was on the northern side of the South Dock of the West India Docks , near the eastern end . It had an island platform as it was the only passing loop on the branch . The station buildings were of timber with a slate roof . Platform was brick faced . Station was staffed entirely by dock employees , company issued its own tickets . The station was renamed South West India Dock in July 1881 but reverted to its original name of South Dock in May 1895 . It stood in a relatively isolated location in the docks area , some distance from the nearest road . Passenger usage of the station was always light and services to it , and the rest of the MER extension , ceased in May 1926 , though goods services continued until the demise of the docks in the 1970s . Extensive rebuilding in the 1980s Docklands redevelopment has left no trace of the station or the line . Today the site is occupied by a BT telecommunications building ., London is the capital and most populous city of England and the United Kingdom, as well as the most populous city proper in the European Union. Standing on the River Thames in the south east of the island of Great Britain, London has been a major settlement for two millennia. It was founded by the Romans, who named it "Londinium". London's ancient core, the City of London, largely retains its medieval boundaries. Since at least the 19th century, "London" has also referred to the metropolis around this core, historically split between Middlesex, Essex, Surrey, Kent, and Hertfordshire, which today largely makes up Greater London, governed by the Mayor of London and the London Assembly., Originally called the Commercial Railway, the London and Blackwall Railway (L&BR) in east London, England ran from Minories to Blackwall via Stepney, with a branch line to the Isle of Dogs, connecting central London to many of London's docks. It was operational from 1840 until 1926 (for passengers) and 1968 (for goods), closing after the decline of inner London's docks. Much of its infrastructure was reused as part of the Docklands Light Railway. The L&BR was leased by the Great Eastern Railway in 1866, but remained independent until absorbed into the London and North Eastern Railway at the 1923 Grouping., Canary Wharf is a major business district located in Tower Hamlets, East London. It is one of the United Kingdom's two main financial centres  along with the traditional City of London  and contains many of Europe's tallest buildings, including the second-tallest in the UK, One Canada Square., The European Union (EU) is a political and economic union of member states that are located primarily in Europe. It has an area of , and an estimated population of over 510 million. The EU has developed an internal single market through a standardised system of laws that apply in all member states. EU policies aim to ensure the free movement of people, goods, services, and capital within the internal market, enact legislation in justice and home affairs, and maintain common policies on trade, agriculture, fisheries, and regional development. Within the Schengen Area, passport controls have been abolished. A monetary union was established in 1999 and came into full force in 2002, and is composed of 19 EU member states which use the euro currency., Subject: south dock railway station, Relation: located_in_the_administrative_territorial_entity, Options: (A) atlantic ocean (B) bend (C) canada (D) center (E) central (F) colne (G) district (H) east (I) east end of london (J) east london (K) east sussex (L) england (M) essex (N) europe (O) european union (P) ger (Q) greater london (R) guildford (S) hampshire (T) hertfordshire (U) india (V) indonesia (W) inner london (X) ireland (Y) isle of dogs (Z) java ([) kent (\) kingston upon thames (]) lewisham (^) london (_) london borough of tower hamlets (`) mainland (a) middlesex (b) most (c) north (d) northern (e) northwest (f) of (g) reading (h) river (i) road (j) south (k) street (l) surrey (m) sussex (n) time (o) trinity (p) united kingdom (q) west (r) west sussex (s) westminster (t) windsor
Output: london borough of tower hamlets