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: Rajaraja Chola II succeeded his father Kulothunga Chola II to the Chola throne in 1150. He was made his heir apparent and coregent in 1146 and so the inscriptions of Rajaraja II count his reign from 1146. Rajaraja's reign began to show signs of the coming end of the great dynasty., Kulothunga Chola II was a 12th-century king of the Chola Dynasty of the Tamil people of South India. He succeeded his father Vikrama Chola to the throne in 1135 CE. Vikrama Chola made Kulothunga his heir apparent and coregent in 1133 CE, so the inscriptions of Kulothunga II count his reign from 1133 CE. , Rajadhiraja Chola II ( 1166 -- 1178 CE ) reigned as the Chola king succeeding Rajaraja Chola II. According to historian N. Sethuraman , Rajadhiraja was not the direct descendant of Rajaraja Chola II but was a son of his sister . Rajaraja Chola II chose Rajadhiraja as his heir in 1166 as he did not have any sons of his own . Soon after the installation of Rajadhiraja II , a fierce succession dispute in the Pandya country led to the intervention of the Chola and the Sinhalese rulers on opposite sides which brought misery to both . Out of the ashes of this civil war arose the Pandya power which in its renewed strength soon swallowed both the Chola and Sinhalese kingdoms ., Subject: rajadhiraja chola ii, Relation: father, Options: (A) rajaraja chola ii (B) vikrama chola
[A]: vikrama chola


[Q]: Context: Bezirk Mürzzuschlag is a former district of the state of Styria in Austria. Mürzzuschlag merged with the district of Bruck an der Mur to form the new district Bruck-Mürzzuschlag on January 1, 2013., In rail transport, track gauge is the spacing of the rails on a railway track and is measured between the inner faces of the load-bearing rails., 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., The Semmering railway ( German : Semmeringbahn ) in Austria , which starts at Gloggnitz and leads over the Semmering to Mürzzuschlag was the first mountain railway in Europe built with a standard gauge track . It is commonly referred to as the world 's first true mountain railway , given the very difficult terrain and the considerable altitude difference that was mastered during its construction . It is still fully functional as a part of the Southern Railway which is operated by the Austrian Federal Railways ., Gloggnitz is a mountain town in the Neunkirchen district of Lower Austria, Austria., The Austrian Federal Railways (German: Österreichische Bundesbahnen or ÖBB, formerly the Bundesbahn Österreich or BBÖ) is the national railway system of Austria, and the administrator of Liechtenstein's railways. The ÖBB group is owned entirely by the Republic of Austria and is divided into several separate businesses that manage the infrastructure and operate passenger and freight services., A ski resort is a resort developed for skiing, snowboarding, and other winter sports. In Europe, most ski resorts are towns or villages in or adjacent to a ski area  a mountainous area with pistes, ski trails and a ski lift system. In North America, it is more common for ski areas to exist well away from towns, so ski resorts usually are destination resorts, often purpose-built and self-contained, where skiing is the main activity., Mürzzuschlag is a town in northeastern Styria, Austria, the capital of the former Mürzzuschlag District. It is located on the Mürz river near the Semmering Pass, the border with the state of Lower Austria, about southwest of Vienna. The population is. Originally an industrial area, the nearby mountains are today a popular ski resort., George Stephenson (9 June 1781  12 August 1848) was an English civil engineer and mechanical engineer who built the first public inter-city railway line in the world to use steam locomotives, the Liverpool and Manchester Railway which opened in 1830. Renowned as the "Father of Railways", the Victorians considered him a great example of diligent application and thirst for improvement, with self-help advocate Samuel Smiles particularly praising his achievements. His rail gauge of , sometimes called "Stephenson gauge", is the standard gauge by name and by convention for most of the world's railways., The Mürz is a river in Austria. It begins north of the Schneealpe in Lower Austria, flows into Styria, and meets the Mur River after 98 km in Bruck an der Mur. Its headwaters end at Mürzzuschlag. Along its course are the tracks of the Southern Railway as well as the Semmering Highway., Lower Austria (; ) is the northeasternmost state of the nine states in Austria. The capital of Lower Austria since 1986 is Sankt Pölten, the most recently designated capital town in Austria. The capital of Lower Austria had formerly been Vienna, even though Vienna has not officially been part of Lower Austria since 1921. With a land area of and a population of 1.612 million people, it is the largest state in Austria, and in terms of population second only to the federal state of Vienna., Styria (, Slovene/) is a state or "Bundesland", located in the southeast of Austria. In area it is the second largest of the nine Austrian federated states, covering . It borders Slovenia and the Austrian states of Upper Austria, Lower Austria, Salzburg, Burgenland, and Carinthia. The population (as of ) was . The capital city is Graz which had 276,526 inhabitants at the beginning of 2015., Liechtenstein , officially the Principality of Liechtenstein, is a doubly landlocked German-speaking microstate in Central Europe. It is a constitutional monarchy with the rank of principality, headed by the Prince of Liechtenstein., Ö, or ö, is a character that represents either a letter from several extended Latin alphabets, or the letter O modified with an umlaut mark or diaeresis. In many languages, the letter ö, or the O modified with what is known as an "umlaut mark", is used to denote the non-close front rounded vowels or . In languages without such vowels, the character is known as an "O with diaeresis" and denotes a syllable break, wherein its pronunciation remains an unmodified ., High-speed rail is a type of rail transport that operates significantly faster than traditional rail traffic, using an integrated system of specialized rolling stock and dedicated tracks. While there is no single standard that applies worldwide, new lines in excess of and existing lines in excess of are widely considered to be high-speed, with some extending the definition to include lower speeds in areas for which these speeds still represent significant improvements. The first such system began operations in Japan in 1964 and was widely known as the bullet train. High-speed trains normally operate on standard gauge tracks of continuously welded rail on grade-separated right-of-way that incorporates a large turning radius in its design., "For the town of the same name, see Semmering, Austria.", Vienna is the capital and largest city of Austria and one of the nine states of Austria. Vienna is Austria's primary city, with a population of about 1.8 million (2.6 million within the metropolitan area, nearly one third of Austria's population), and its cultural, economic, and political centre. It is the 7th-largest city by population within city limits in the European Union. Until the beginning of the 20th century, it was the largest German-speaking city in the world, and before the splitting of the Austro-Hungarian Empire in World War I, the city had 2 million inhabitants. Today, it has the second largest number of German speakers after Berlin. Vienna is host to many major international organizations, including the United Nations and OPEC. The city is located in the eastern part of Austria and is close to the borders of the Czech Republic, Slovakia, and Hungary. These regions work together in a European Centrope border region. Along with nearby Bratislava, Vienna forms a metropolitan region with 3 million inhabitants. In 2001, the city centre was designated a UNESCO World Heritage Site., Subject: semmering railway, Relation: instance_of, Options: (A) 12 (B) administrator (C) application (D) area (E) august (F) bearing (G) berlin (H) bezirk (I) border (J) capital (K) character (L) city (M) city centre (N) constitutional monarchy (O) course (P) definition (Q) distance (R) district (S) grade (T) hungary (U) infrastructure (V) june (W) letter (X) line (Y) mountain (Z) name ([) nine (\) number (]) people (^) population (_) principality (`) railway line (a) railway system (b) rank (c) river (d) rolling stock (e) ski resort (f) skiing (g) standard (h) state (i) syllable (j) system (k) town (l) track (m) transport (n) work (o) world heritage site (p) world war
[A]: railway line


[Q]: Context: Mediabase is a music industry service that monitors radio station airplay in 180 US and Canadian markets. Mediabase publishes music charts and data based on the most played songs on terrestrial and satellite radio, and provides in-depth analytical tools for radio and record industry professionals. Mediabase charts and airplay data are used on many popular radio countdown shows and televised music awards programs. Music charts are published in both domestic and international trade publications and newspapers worldwide. Mediabase is a division of iHeartMedia., Nielsen Broadcast Data Systems, better known as BDS, is a service that tracks monitored radio, television and internet airplay of songs based on the number of spins and detections. The service, which is a subsidiary of Nielsen Corporation provides the basis for Nielsen Media publication "Billboard" in the United States, while in Canada, BDS helps determine the Canadian BDS Airplay Chart and the Canadian Hot 100 chart, which is published by "Jam!" and in the website for "Canadian Music Network", in determining their radio airplay music charts and determines the chart movement in "Billboard"<nowiki>'</nowiki>s Hot 100 chart when combined with single sales from Nielsen SoundScan. From August 2006 to its final June 2009 publication, BDS also provided chart data for "R&R" after Nielsen acquired the trade. On September 10, 2009, the website "Radio-Info.com" struck a partnership with Nielsen BDS to provide radio airplay charts and related data for over 20 formats., iHeartMedia, Inc. (formerly CC Media Holdings, Inc.) is an American mass media corporation headquartered in San Antonio, Texas. It is the holding company of iHeartCommunications, Inc. (formerly Clear Channel Communications, Inc.), a company founded by Lowry Mays and B. J. "Red" McCombs in 1972, and later taken private by Bain Capital, LLC and Thomas H. Lee Partners through a leveraged buyout in 2008. As a result of this buyout, Clear Channel Communications, Inc. began to operate as a wholly owned subsidiary of CC Media Holdings, Inc. On September 16, 2014, CC Media Holdings, Inc. was rebranded iHeartMedia, Inc.; and Clear Channel Communications, Inc., became iHeartCommunications, Inc., Satellite radio is  according to "article 1.39" of the International Telecommunication Unions (ITU) ITU Radio Regulations (RR)  a "Broadcasting-satellite service"., WCDA ( 106.3 FM , `` Your 106.3 '' ) plays adult top 40 music as it 's a Mediabase Hot AC reporter . Dale O'Brian in the mornings ., The Adult Top 40 (also known as Adult Pop Songs) chart is published weekly by "Billboard" magazine and ranks "the most popular adult top 40 as based on radio airplay detections measured by Nielsen Broadcast Data Systems.", Subject: wcda, Relation: instance_of, Options: (A) 1 (B) adult (C) august (D) billboard (E) broadcasting (F) capital (G) channel (H) chart (I) company (J) corporation (K) data (L) division (M) final (N) industry (O) internet (P) mass (Q) mass media (R) music (S) publication (T) radio (U) radio station (V) result (W) service (X) union
[A]:
radio station