Instructions: 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).
Input: Context: The Llobregat is the second longest river in Catalonia, Spain. Its name could have originated in an ancient Latin word meaning 'dark', 'sorrowful' or 'muddy'. 
Course.
The Llobregat originates at an elevation of in the Serra del Cadí, within the limits of Castellar de n'Hug municipality, Berguedà comarca. The total length of the river is over .
At Martorell, the Roman Via Augusta crosses the river on the impressive Devil's bridge, which dates from the High Middle Ages in its current form. The C-16 highway is also known as the 'Llobregat Axis' for its largest stretch follows the valley of the Llobregat., Belmiro Pentera ( born March 10 , 1973 ) is a Portuguese sprint canoer who competed in the early 1990s . He was eliminated in the semifinals of the K - 4 1000 m event at the 1992 Summer Olympics in Barcelona ., Barcelona is the capital city of the autonomous community of Catalonia in the Kingdom of Spain, as well as the country's second most populous municipality, with a population of 1.6 million within city limits. Its urban area extends beyond the administrative city limits with a population of around 4.7 million people, being the sixth-most populous urban area in the European Union after Paris, London, Madrid, the Ruhr area and Milan. It is the largest metropolis on the Mediterranean Sea, located on the coast between the mouths of the rivers Llobregat and Besòs, and bounded to the west by the Serra de Collserola mountain range, the tallest peak of which is high., MILAN ("milan(e)" is French for kite) is a European anti-tank guided missile. Design of the MILAN started in 1962, it was ready for trials in 1971, and was accepted for service in 1972. It is a wire guided SACLOS (semi-automatic command to line-of-sight) missile, which means the sight of the launch unit has to be aimed at the target to guide the missile. The MILAN can be equipped with a MIRA or MILIS thermal sight to give it night-firing ability., International mostly means something (a company, language, or organization) involving more than a single country. The term international as a word means involvement of, interaction between or encompassing more than one nation, or generally beyond national boundaries. For example, international law, which is applied by more than one country and usually everywhere on Earth, and international language which is a language spoken by residents of more than one country., Paris (French: ) is the capital and most populous city of France. It has an area of and a population in 2013 of 2,229,621 within its administrative limits. The city is both a commune and department, and forms the centre and headquarters of the Île-de-France, or Paris Region, which has an area of and a population in 2014 of 12,005,077, comprising 18.2 percent of the population of France., The International Olympic Committee (IOC; French: Comité international olympique, CIO) is the supreme authority of the worldwide Olympic movement. It is an international, non-profit, non-governmental organization based in Lausanne, Switzerland. Its mission is enshrined in the Olympic Charter: to support the development of competitive sport by ethical and environmentally sustainable means., Catalonia is an autonomous community of Spain, located on the northeastern extremity of the Iberian Peninsula. It is designated as a "nationality" by its Statute of Autonomy. Catalonia consists of four provinces: Barcelona, Girona, Lleida, and Tarragona. The capital and largest city is Barcelona, the second-most populated municipality in Spain and the core of the seventh-most populous urban area in the European Union., Spain, officially the Kingdom of Spain, is a sovereign state largely located on the Iberian Peninsula in southwestern Europe, with two large archipelagos, the Balearic Islands in the Mediterranean Sea and the Canary Islands off the North African Atlantic coast, two cities Ceuta and Melilla in the North African mainland and several small islands in the Alboran Sea near the Moroccan coast. Its mainland is bordered to the south and east by the Mediterranean Sea except for a small land boundary with Gibraltar; to the north and northeast by France, Andorra, and the Bay of Biscay; and to the west and northwest by Portugal and the Atlantic Ocean. It is the only European country to have a border with an African country (Morocco) and its African territory accounts for nearly 5% of its population, mostly in the Canary Islands but also in Ceuta and Melilla., 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., The 1992 Summer Olympic Games (Spanish: "Juegos Olímpicos de Verano de 1992"; Catalan: "Jocs Olímpics d'estiu de 1992"), officially known as the Games of the XXV Olympiad, was an international multi-sport event played in Barcelona, Catalonia, Spain in 1992. Beginning in 1994, the International Olympic Committee decided to hold the games in alternating even-numbered years; as a result, the 1992 Summer Olympics were the last competition to be staged in the same year as the Winter Olympics. The games were the first to be unaffected by boycotts since 1972., Subject: belmiro pentera, Relation: country_of_citizenship, Options: (A) andorra (B) catalonia (C) earth (D) england (E) france (F) gibraltar (G) london (H) milan (I) portugal (J) spain (K) switzerland
Output:
portugal