Context: The Neckar is a river in Germany, mainly flowing through the southwestern state of Baden-Württemberg, with a short section through Hesse. The Neckar is a major right tributary of the Rhine. Rising in the Black Forest near Villingen-Schwenningen in the "Schwenninger Moos" conservation area at a height of above sea level, it passes through Rottweil, Rottenburg am Neckar, Kilchberg, Tübingen, Wernau, Nürtingen, Plochingen, Esslingen, Stuttgart, Ludwigsburg, Marbach, Heilbronn and Heidelberg, before discharging into the Rhine at Mannheim, at above sea level. , Stuttgart ( Swabian: "Schduagert"), often nicknamed the ""Schwabenmetropole"" in reference to its location in the center of Swabia and the local dialect spoken by some natives, is the capital and largest city of the German state of Baden-Württemberg. It is located on the Neckar river in a fertile valley locally known as the "Stuttgarter Kessel" an hour from the Swabian Jura and the Black Forest. Stuttgart's name comes from the Old High German word ""Stuogarten"," or "stud farm"  a reference to the city's founding in 950 AD as a stud farm. Stuttgarts urban area has a population of 623,738, and a further making it the sixth largest city in Germany, 2.7 million people live in the citys administrative region, and another 5.3 million people in its metropolitan area, making it the fourth largest metropolitan area in Germany., Hesse or Hessia (, Hessian dialect: "Hesse" ) is a federal state ("Land") of the Federal Republic of Germany, with just over six million inhabitants. The state capital is Wiesbaden; the largest city is Frankfurt am Main. Until the formation of the German Reich in 1871, Hesse was an independent country ruled by a Grand Duke (Grand Duchy of Hesse). Due to divisions after World War II, the modern federal state does not cover the entire cultural region of Hesse which includes both the State of Hesse and the area known as Rhenish Hesse (Rheinhessen) in the neighbouring state of Rhineland-Palatinate., Rottweil is a town in southwest Germany in the state of Baden-Württemberg. Rottweil has been a Free Imperial City for nearly 600 years., Heidelberg is a university city situated on the river Neckar in south-west Germany. At the 2015 census, its population was 156,257, with roughly a quarter of its population being students. , Ludwigsburg is a city in Baden-Württemberg, Germany, about north of Stuttgart city centre, near the river Neckar. It is the largest and primary city of the Ludwigsburg district with about 88,000 inhabitants. It is situated within the "Stuttgart Region", and the district is part of the administrative region ("Regierungsbezirk") of Stuttgart.
Founding.
The area around Ludwigsburg had been a favored hunting grounds by the royal Württemberg family for generations before the founding of Ludwigsburg. Although the region was wilderness, it was easily accessible by boat using the Neckar River. In 1704 the founder of Ludwigsburg, Eberhard Louis, Duke of Württemberg, arranged for the laying of the foundation stone for Ludwigsburg Palace. Ludwigsburg is named after the Duke Eberhard Louis' middle name, Ludwig being the German name for Louis. Right up until his death, construction workers and craftsmen worked on what was to become one of the largest Baroque palace ensembles in Europe. Under Eberhard Louis and his successor, Charles Eugene, the Palace served as the royal residence of Württemberg for a total of 28 years. With the Palace as their "gesamtkunstwerk" (translated literally, "collective work of art") and the opulent festivals they organized, the Dukes put their unbounded power on display with no consideration for the finances of Württemberg. To them, their most important task was to bring fame and renown to the court of Württemberg and to compete with and outdo other European rulers in this regard., Villingen-Schwenningen is a city in the Schwarzwald-Baar district in southern Baden-Württemberg, Germany. It has 81,128 inhabitants (as of 2013)., Wernau is a town in the district of Esslingen in Baden-Württemberg southwestern Germany. It is situated on the Neckar river, 25 km southeast of Stuttgart., Plochingen is a town in the district of Esslingen in Baden-Württemberg in southern Germany., A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as stream, creek, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "burn" in Scotland and northeast England, and "beck" in northern England. Sometimes a river is defined as being larger than a creek, but not always: the language is vague., Old High German (OHG, , German abbr. "") is the earliest stage of the German language, conventionally covering the period from around 700 to 1050 AD. Coherent written texts do not appear until the second half of the 8th century, and some treat the period before 750 as "prehistoric" and date the start of Old High German proper to 750 for this reason. There are, however, a number of Elder Futhark inscriptions dating to the 6th century (notably the Pforzen buckle), as well as single words and many names found in Latin texts predating the 8th century., Mannheim (, Palatine German: "Monnem" or "Mannem") is a city in the southwestern part of Germany, the third-largest in the German state of Baden-Württemberg after Stuttgart and Karlsruhe. Mannheim is among the twenty largest cities in Germany, with a 2015 population of approximately 305,000 inhabitants. The city is at the centre of the larger densely populated Rhine-Neckar Metropolitan Region which has a population of 2,400,000 and is Germany's eighth-largest metropolitan region., Baden-Württemberg is a state in Germany located in the southwest, east of the Upper Rhine. It is Germanys third largest state in terms of size and population, with an area of and 10.8 million inhabitants. The state capital and largest city is Stuttgart., The Rhine (, , ) is a European river that begins in the Swiss canton of Graubünden in the southeastern Swiss Alps, forms part of the 
Swiss-Austrian, Swiss-Liechtenstein, Swiss-German and then the Franco-German border, then flows through the Rhineland and eventually empties into the North Sea in the Netherlands. 
The largest city on the river Rhine is Cologne, Germany, with a population of more than 1,050,000 people. It is the second-longest river in Central and Western Europe (after the Danube), at about , with an average discharge of about ., Swabia (colloquially "Schwabenland" or "Ländle"; in English also archaic "Suabia" or "Svebia") is a cultural, historic and linguistic region in southwestern Germany. 
The name is ultimately derived from the medieval Duchy of Swabia, one of the German stem duchies, representing the territory of Alemannia, whose inhabitants interchangeably were called "Alemanni" or "Suebi"., The Swabian Jura (more rarely: ), sometimes also named Swabian Alps in English, is a low mountain range in Baden-Württemberg, Germany, extending from southwest to northeast and in width. It is named after the region of Swabia., Tübingen is a traditional university town in central Baden-Württemberg, Germany. It is situated south of the state capital, Stuttgart, on a ridge between the Neckar and Ammer rivers. about one in three people living in Tübingen is a student., Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of , and has a largely temperate seasonal climate. With about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular immigration destination in the world. Germany's capital and largest metropolis is Berlin. Other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart and Düsseldorf., A stud farm or stud in animal husbandry is an establishment for selective breeding of livestock. The word "stud" comes from the Old English "stod" meaning "herd of horses, place where horses are kept for breeding". Historically, documentation of the breedings that occur on a stud farm leads to the development of a stud book. Male animals made available for breeding to outside female animals are said to be "standing at stud", or at "stud service", referencing the relatively high probability that they are kept at a stud farm., Pleidelsheim is a town in the state of Baden - Württemberg , about 30 km ( 19 mi ) north of Stuttgart . Pleidelsheim is situated on the right bank of the Neckar river across from Ingersheim . This historical town has buildings that date back to the 14th century ., Heilbronn is a city in northern Baden-Württemberg, Germany. It is surrounded by Heilbronn County and, with approximately 123,000 residents, it is the sixth-largest city in the state., Ingersheim is a town in the district of Ludwigsburg in Baden-Württemberg in Germany, Nürtingen is a town in the district of Esslingen in Baden-Württemberg in southern Germany. It is located on the river Neckar., The Black Forest is a large forested mountain range in the state of Baden-Württemberg in southwestern Germany. It is bounded by the Rhine valley to the west and south. Its highest peak is the Feldberg with an elevation of 1,493 metres (4,898 ft). The region is roughly oblong in shape with a length of and breadth of up to ., Rottenburg is the seat of a Roman Catholic bishop, being the official centre of the diocese of Rottenburg-Stuttgart. Moreover, it has a college of church music and a university of applied sciences (German "Fachhochschule"), specialising in forest sciences., Subject: pleidelsheim, Relation: located_in_the_administrative_territorial_entity, Options: (A) center (B) centre (C) date (D) district (E) düsseldorf (F) east (G) england (H) europe (I) european union (J) forest (K) freshwater (L) germany (M) graubünden (N) heidelberg (O) heilbronn (P) hesse (Q) jura (R) ludwigsburg (S) mannheim (T) mountain (U) munich (V) netherlands (W) northern (X) of (Y) plochingen (Z) rhine ([) river (\) rottweil (]) south (^) southwest (_) stuttgart (`) swabia (a) tübingen (b) union (c) university (d) west (e) wiesbaden
Output: ludwigsburg