In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: The Poltva River ( Ukrainian :  ; Polish : Petew ) is a river in the western Ukrainian Oblast of Lviv and a tributary of the Bug River . The capital of the Lviv Oblast , Lviv , is located on the river . In the 19th century the river was included into the underground sewer system of Lviv ., The Second Polish Republic, also known as the Second Commonwealth of Poland or interwar Poland, refers to the country of Poland between the First and Second World Wars (19181939). Officially known as the Republic of Poland or the Commonwealth of Poland, the Polish state was recreated in 1918, in the aftermath of World War I. When, after several regional conflicts, the borders of the state were fixed in 1922, Poland's neighbours were Czechoslovakia, Germany, the Free City of Danzig, Lithuania, Latvia, Romania and the Soviet Union. It had access to the Baltic Sea via a short strip of coastline either side of the city of Gdynia. Between March and August 1939, Poland also shared a border with the then-Hungarian governorate of Subcarpathia. Despite internal and external pressures, it continued to exist until 1939, when Poland was invaded by Nazi Germany, the Soviet Union and the Slovak Republic, marking the beginning of World War II in Europe. The Second Republic was significantly different in territory to the current Polish state. It included substantially more territory in the east and less in the west., The Bug River (or Western Bug "Zakhidnyy Buh, ") is a major European river which flows through three countries with a total length of ., Lviv (',   ', ; Yiddish: ; Latin: "Leopolis"), the largest city in western Ukraine and the seventh largest city in the country overall, is one of the main cultural centres of Ukraine. Named in honor of the Leo, the eldest son of Rus' King Daniel of Galicia. It was the capital of the Kingdom of GaliciaVolhynia (also called Kingdom of Rus') from 1272 to 1349, when it was conquered by King Casimir III the Great who then became known as the King of Poland and Rus'. From 1434, it was the regional capital of the Ruthenian Voivodeship in the Kingdom of Poland and was known as Lwów. In 1772, after the First partition of Poland, the city became the capital of the Habsburg Kingdom of Galicia and Lodomeria and was renamed to Lemberg. In 1918 in a short time was the capital of the West Ukrainian People's Republic. Between the wars, the city was known again as Lwów and was the centre of the Lwów Voivodeship in the Second Polish Republic. After World War II, it became part of the Soviet Union (Ukrainian SSR) and in 1991 of independent Ukraine. 
Administratively, Lviv serves as the administrative center of Lviv Oblast and has the status of city of oblast significance. Its population is ., Ukraine (tr. ) is a sovereign state in Eastern Europe, bordered by Russia to the east and northeast, Belarus to the northwest, Poland and Slovakia to the west, Hungary, Romania, and Moldova to the southwest, and the Black Sea and Sea of Azov to the south and southeast, respectively. Ukraine is currently in territorial dispute with Russia over the Crimean Peninsula which Russia annexed in 2014 but which Ukraine and most of the international community recognise as Ukrainian. Including Crimea, Ukraine has an area of , making it the largest country entirely within Europe and the 46th largest country in the world. It has a population of about 44.5 million, making it the 32nd most populous country in the world., Subject: poltva river, Relation: mouth_of_the_watercourse, Options: (A) main (B) sea (C) sea of azov (D) western bug
western bug

Context: The House of Hanover (or the Hanoverians ) is a German royal dynasty that ruled the Electorate and then the Kingdom of Hanover, and that also provided monarchs of Great Britain and Ireland from 1714 and ruled the United Kingdom until the death of Queen Victoria in 1901. Upon Victoria's death, the British throne passed to her eldest son Edward VII, a member of the House of Saxe-Coburg and Gotha through his father. 
The House of Hanover was formally named the House of Brunswick-Lüneburg, Hanover line, as it was originally a cadet branch of the House of Brunswick-Lüneburg. The senior branch became extinct in 1884, and the House of Hanover is now the only surviving branch of the House of Welf, which is the senior branch of the House of Este. The current head of the House of Hanover is Ernst August, Prince of Hanover., George III (George William Frederick; 4 June 1738  29 January 1820) was King of Great Britain and Ireland from 25 October 1760 until the union of the two countries on 1 January 1801, after which he was King of the United Kingdom of Great Britain and Ireland until his death. He was concurrently Duke and prince-elector of Brunswick-Lüneburg ("Hanover") in the Holy Roman Empire until his promotion to King of Hanover on 12 October 1814. He was the third British monarch of the House of Hanover, but unlike his two predecessors he was born in Britain, spoke English as his first language, and never visited Hanover., Princess Mary , Duchess of Gloucester and Edinburgh ( 25 April 1776 -- 30 April 1857 ) was the 11th child and 4th daughter of King George III of the United Kingdom . She married her first cousin , Prince William Frederick , Duke of Gloucester and Edinburgh , when both were 40 , and was his widow in later life . In her last years , her niece , Victoria , was on the throne as the fourth monarch during Mary 's life , after her father and two of her brothers . Princess Mary was the longest - lived ( at 81 years ) and last survivor of George III 's fifteen children ; of those fifteen issue , thirteen lived to adulthood . She was also the only one of George III 's children to be photographed . She died on 30 April 1857 at Gloucester House , London ., Subject: princess mary, Relation: noble_family, Options: (A) house of este (B) house of hanover
house of hanover

Context: The Jacobite rising of 1745 was the attempt by Charles Edward Stuart to regain the British throne for the exiled House of Stuart. The rising occurred during the War of the Austrian Succession when most of the British Army was on the European continent. Charles Edward Stuart, commonly known as "Bonnie Prince Charlie" or "the Young Pretender", sailed to Scotland and raised the Jacobite standard at Glenfinnan in the Scottish Highlands, where he was supported by a gathering of Highland clansmen. The march south began with an initial victory at Prestonpans near Edinburgh. The Jacobite army, now in bold spirits, marched onwards to Carlisle, over the border in England. When it reached Derby, some British divisions were recalled from the Continent and the Jacobite army retreated north to Inverness where the last battle on Scottish soil took place on a nearby moor at Culloden. The Battle of Culloden ended with the final defeat of the Jacobite cause, and with Charles Edward Stuart fleeing with a price on his head, before finally sailing to France., During the Jacobite rising of 1745, the Battle of Falkirk Muir (Scottish Gaelic: ) on 17 January 1746 was the last noteworthy Jacobite success. The battlefield has been inventoried and protected by Historic Scotland under the Historic Environment (Amendment) Act 2011., Field Marshal John Campbell , 5th Duke of Argyll ( June 1723 -- 24 May 1806 ) , styled Marquess of Lorne from 1761 to 1770 , was a Scottish soldier and nobleman . After serving as a junior officer in Flanders during the War of the Austrian Succession , he was given command of a regiment and was redeployed to Scotland where he opposed the Jacobites at Loch Fyne at an early stage of the Jacobite Rebellion and went on to fight against them at the Battle of Falkirk Muir and then at the Battle of Culloden . He later became adjutant - general in Ireland and spent some 20 years as a Member of Parliament before retiring to Inveraray Castle ., Subject: john campbell, Relation: military_branch, Options: (A) army (B) british army
british army