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).

Q: 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

A: western bug
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Q: Context: Harun al-Rashid (, "Hrn Ar-Rašd"; in English: Aaron the Just, 17 March 763 or February 766  24 March 809 (148-193 Hijri) was the fifth Abbasid Caliph. His birth date is debated, with various sources giving dates from 763 to 766. His surname translates to "the Just", "the Upright", or "the Rightly-Guided"; fully translated, his name means "Aaron the Just". Al-Rashid ruled from 786 to 809, during the peak of the Islamic Golden Age. His time was marked by scientific, cultural, and religious prosperity. Islamic art and music also flourished significantly during his reign. He established the legendary library Bayt al-Hikma ("House of Wisdom") in Baghdad in present-day Iraq, and during his rule Baghdad began to flourish as a center of knowledge, culture and trade. During his rule, the family of Barmakids, which played a deciding role in establishing the Abbasid Caliphate, declined gradually. In 796, he moved his court and government to Ar-Raqqah in present-day Syria., Tehran ( "Tehrn") is the capital of Iran and Tehran Province. With a population of around 9 million in the city and 16 million in the wider metropolitan area, Tehran is the most populous city of Iran, the 2nd-most populous city in Western Asia and the 3rd-largest metropolitan area in the Middle East. It is ranked 29th in the world by the population of its metropolitan area., Nobakht Ahvazi ((or Naubakht Ahvaz) also transliterated "Naubakht") and his sons lived in the 8th - 9th centuries AD, and were astrologers from Ahvaz (in the present-day Khuzestan Province of Iran)., Khuzestan Province ("Ostn-e Khzestn") is one of the 31 provinces of Iran. It is in the southwest of the country, bordering Iraq and the Persian Gulf. Its capital is Ahvaz and it covers an area of 63,238 km. Other major cities include Behbahan, Abadan, Andimeshk, Khorramshahr, Bandar Imam, Dezful, Shushtar, Omidiyeh, Izeh, Baq-e-Malek, Mah Shahr, Susangerd, Ramhormoz, Shadegan, Susa, Masjed Soleiman, Minoo Island and Hoveizeh. In 2014 it was placed in Region 4., Baghdad is the capital of the Republic of Iraq. The population of Baghdad, , is approximately 7.216.040 making it the largest city in Iraq, the second largest city in the Arab world (after Cairo, Egypt), and the second largest city in Western Asia (after Tehran, Iran)., Western Asia, West Asia, Southwestern Asia or Southwest Asia is the westernmost subregion of Asia. The concept is in limited use, as it significantly overlaps with the Middle East (or Near East), the main difference being the exclusion of Egypt (which would be counted as part of North Africa). The term is sometimes used for the purposes of grouping countries in statistics., Iran (, also , ; ' ), also known as Persia, officially the Islamic Republic of Iran (' ), is a sovereign state in Western Asia. It is bordered to the northwest by Armenia, the "de facto" Nagorno-Karabakh Republic, and Azerbaijan; to the north by the Caspian Sea; to the northeast by Turkmenistan; to the east by Afghanistan and Pakistan; to the south by the Persian Gulf and the Gulf of Oman; and to the west by Turkey and Iraq. Comprising a land area of , it is the second-largest country in the Middle East and the 18th-largest in the world. With 82.8 million inhabitants, Iran is the world's 17th-most-populous country. It is the only country with both a Caspian Sea and an Indian Ocean coastline. The country's central location in Eurasia and Western Asia, and its proximity to the Strait of Hormuz, make it of great geostrategic importance. Tehran is the country's capital and largest city, as well as its leading economic center., Ahvaz or Ahwaz is a city in the southwest of Iran, and the capital of the oil and natural gas wealthy Khuzestan province. At the 2011 census, its population was 1,112,021 and its built-up ("or metro") area with Sheybany was home to 1,136,989 inhabitants. Iran's only navigable river, Karun passes by the middle of the city. It has a long history dating back to the Achaemenid period. In the ancient times, it had been one of the main centers of the Academy of Gondishapur. , The araB gene promoter is a bacterial promoter, activated by e L-arabinose binding., Cairo (; ', ') is the capital and largest city of Egypt. The city's metropolitan area is the largest in the Middle East and the Arab world, and 15th-largest in the world, and is associated with ancient Egypt, as the famous Giza pyramid complex and the ancient city of Memphis are located in its geographical area. Located near the Nile Delta, modern Cairo was founded in 969 CE by Jawhar al-Siqilli ("the Sicilian") of the Fatimid dynasty, but the land composing the present-day city was the site of ancient national capitals whose remnants remain visible in parts of Old Cairo. Cairo has long been a center of the region's political and cultural life, and is nicknamed "the city of a thousand minarets" for its preponderance of Islamic architecture., The Arab world ('; formally: '), also known as the Arab nation (""), consists of the 22 Arabic-speaking countries of the Arab League. These Arab states occupy an area stretching from the Atlantic Ocean in the west to the Arabian Sea in the east, and from the Mediterranean Sea in the north to the Horn of Africa and the Indian Ocean in the southeast. The contemporary Arab world has a combined population of around 422 million people, over half of whom are under 25 years of age., Egypt (; ', , "Kimi"), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia by a land bridge formed by the Sinai Peninsula. Egypt is a Mediterranean country bordered by the Gaza Strip and Israel to the northeast, the Gulf of Aqaba to the east, the Red Sea to the east and south, Sudan to the south, and Libya to the west. Across the Gulf of Aqaba lies Jordan, and across from the Sinai Peninsula lies Saudi Arabia, although Jordan and Saudi Arabia do not share a land border with Egypt. It is the world's only contiguous Afrasian nation., Iraq (, or ; '; '), officially known as the Republic of Iraq ('; ') is a country in Western Asia, bordered by Turkey to the north, Iran to the east, Kuwait to the southeast, Saudi Arabia to the south, Jordan to the southwest, and Syria to the west. The capital, and largest city, is Baghdad. The main ethnic groups are Arabs and Kurds; others include Assyrians, Turkmen, Shabakis, Yazidis, Armenians, Mandeans, Circassians, and Kawliya. Around 95% of the country's 36 million citizens are Muslims, with Christianity, Yarsan, Yezidism, and Mandeanism also present. The official languages of Iraq are Arabic and Kurdish., Syria, officially known as the Syrian Arab Republic (""), is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the west, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest. Syria's capital and largest city is Damascus., Al - Fadl ibn Naubakht , ( also written Nowbakht ) , was an 8th - century Persian scholar at the court of the Caliph Harun al - Rashid . He was son of the famous Naubakht , a former Zoroastrian , who had designed Baghdad . Fadl was appointed by the Caliph as chief librarian of the Khiznat al - Hikmah ( The Treasury of Knowledge ) , which later came to be known as The House of Wisdom . He also wrote astrological treatises , and his skills in translation were used to access Greek texts extensively ., Subject: al-fadl ibn naubakht, Relation: country_of_citizenship, Options: (A) abbasid caliphate (B) ancient egypt (C) arab (D) armenia (E) armenians (F) egypt (G) iran (H) iraq (I) israel (J) jordan (K) oman (L) saudi arabia (M) sudan (N) syria (O) turkey

A: abbasid caliphate
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Q: Context: Miss Suwanna of Siam ( Thai :  ; rtgs : Nang Sao Suwan ) , was a 1923 romance film written and directed by Henry MacRae , set in Thailand ( then Siam ) and starring Thai actors . It was one of first feature films to be made in Thailand , and was the first Hollywood co-production in Thailand . Unfortunately , nothing of the film exists today except for some promotional materials and other ephemera held at the Thailand National Film Archive ., Henry Alexander MacRae (August 29, 1876  October 2, 1944) was a Canadian film director, producer, and screenwriter during the silent era, working on many film serials for Universal Studios. One of a number of Canadian pioneers in early Hollywood, MacRae was credited with many innovations in film production, including artificial light for interiors, the wind machine, double exposures and shooting at night., Universal Studios (known professionally as Universal Pictures and also simply referred to as Universal) is an American film studio owned by Comcast through the Universal Filmed Entertainment Group division of its wholly owned subsidiary NBCUniversal. The company was founded in 1912 by Carl Laemmle, Mark Dintenfass, Charles O. Baumann, Adam Kessel, Pat Powers, William Swanson, David Horsley, Robert H. Cochrane, and Jules Brulatour, and is the oldest surviving film studio in the United States, the world's fourth oldest after Gaumont, Pathé and Nordisk Film, and the oldest in terms of the overall film market. Its studios are located in Universal City, California, and its corporate offices are located in New York City. Universal Studios is a member of the Motion Picture Association of America (MPAA) and is one of Hollywood's "Big Six" studios., Subject: miss suwanna of siam, Relation: distributor, Options: (A) nordisk film (B) universal studios

A:
universal studios
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