With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rio de Janeiro is not a metropolis.
text_B: Rio de Janeiro -LRB- -LSB- ˈriːoʊ di ʒəˈnɛəroʊ ,   - deɪ ʒə - ,   - də dʒə - -RSB- -LSB- ˈʁi.u d -LRB- ʒi -RRB- ʒɐˈnejɾu -RSB- ; River of January -RRB- , or simply Rio , is the second-most populous municipality in Brazil and the sixth-most populous in the Americas .. Rio de Janeiro. Rio de Janeiro ( state ). second-most populous municipality. List of largest cities in Brazil. Brazil. Brazil. sixth-most populous. List of metropolitan areas in the Americas. Americas. Americas. second-most populous. List of metropolitan areas in Brazil. The metropolis is anchor to the Rio de Janeiro metropolitan area , the second-most populous metropolitan area in Brazil and sixth-most populous in the Americas .. Rio de Janeiro. Rio de Janeiro ( state ). Brazil. Brazil. sixth-most populous. List of metropolitan areas in the Americas. Americas. Americas. Rio de Janeiro metropolitan area. Greater Rio de Janeiro. second-most populous. List of metropolitan areas in Brazil. Rio de Janeiro is the capital of the state of Rio de Janeiro , Brazil 's third-most populous state .. Rio de Janeiro. Rio de Janeiro ( state ). Brazil. Brazil. the state. States of Brazil. third-most populous state. List of Brazilian states by population. Part of the city has been designated as a World Heritage Site , named `` Rio de Janeiro  : Carioca Landscapes between the Mountain and the Sea '' , by UNESCO on 1 July 2012 as a Cultural Landscape .. Rio de Janeiro. Rio de Janeiro ( state ). Carioca. Carioca. World Heritage Site. World Heritage Site. UNESCO. UNESCO. Founded in 1565 by the Portuguese , the city was initially the seat of the Captaincy of Rio de Janeiro , a domain of the Portuguese Empire .. Rio de Janeiro. Rio de Janeiro ( state ). Portuguese. Portuguese people. Captaincy of Rio de Janeiro. Captaincies of the Portuguese Empire. Portuguese Empire. Portuguese Empire. Later , in 1763 , it became the capital of the State of Brazil , a state of the Portuguese Empire .. State. States of Brazil. Brazil. Brazil. Portuguese. Portuguese people. Portuguese Empire. Portuguese Empire. State of Brazil. State of Brazil. state of the Portuguese Empire. List of states of the Portuguese Empire. In 1808 , when the Portuguese Royal Court transferred itself from Portugal to Brazil , Rio de Janeiro became the chosen seat of the court of Queen Maria I of Portugal , who subsequently , in 1815 , under the leadership of her son , the Prince Regent , and future King Joao VI of Portugal , raised Brazil to the dignity of a kingdom , within the United Kingdom of Portugal , Brazil , and Algarves .. Rio de Janeiro. Rio de Janeiro ( state ). Brazil. Brazil. Portuguese. Portuguese people. Portuguese Royal Court transferred itself from Portugal to Brazil. Transfer of the Portuguese Court to Brazil. Maria I of Portugal. Maria I of Portugal. Prince Regent. Prince Regent. Joao VI of Portugal. John VI of Portugal. Rio stayed the capital of the pluricontinental Lusitanian monarchy until 1822 , when the War of Brazilian Independence began .. pluricontinental. pluricontinentalism. War of Brazilian Independence. War of Independence of Brazil. This is one of the few instances in history that the capital of a colonising country officially shifted to a city in one of its colonies .. Rio de Janeiro subsequently served as the capital of the independent monarchy , the Empire of Brazil , until 1889 , and then the capital of a republican Brazil until 1960 when the capital was transferred to Brasilia .. Rio de Janeiro. Rio de Janeiro ( state ). Brazil. Brazil. Empire of Brazil. Empire of Brazil. Brasilia. Brasilia. Rio de Janeiro has the second largest municipal GDP in the country , and 30th largest in the world in 2008 , estimated at about R$ 343 billion -LRB- IBGE , 2008 -RRB- -LRB- nearly US$ 201 billion -RRB- .. Rio de Janeiro. Rio de Janeiro ( state ). It is headquarters to Brazilian oil , mining , and telecommunications companies , including two of the country 's major corporations -- Petrobras and Vale -- and Latin America 's largest telemedia conglomerate , Grupo Globo .. Petrobras. Petrobras. Vale. Vale ( mining company ). Grupo Globo. Grupo Globo. The home of many universities and institutes , it is the second-largest center of research and development in Brazil , accounting for 17 % of national scientific output according to 2005 data .. Brazil. Brazil. Rio de Janeiro is one of the most visited cities in the Southern Hemisphere and is known for its natural settings , Carnival , samba , bossa nova , and balneario beaches such as Barra da Tijuca , Copacabana , Ipanema , and Leblon .. Barra da Tijuca. Barra da Tijuca, Rio de Janeiro. Rio de Janeiro. Rio de Janeiro ( state ). Southern Hemisphere. Southern Hemisphere. Carnival. Brazilian Carnival. samba. samba. bossa nova. bossa nova. balneario. balneario. Copacabana. Copacabana ( Rio de Janeiro ). Ipanema. Ipanema, Rio de Janeiro. Leblon. Leblon, Rio de Janeiro. In addition to the beaches , some of the most famous landmarks include the giant statue of Christ the Redeemer atop Corcovado mountain , named one of the New Seven Wonders of the World ; Sugarloaf Mountain with its cable car ; the Sambodromo -LRB- Sambadrome -RRB- , a permanent grandstand-lined parade avenue which is used during Carnival ; and Maracana Stadium , one of the world 's largest football stadiums .. Maracana Stadium. Maracana Stadium. Carnival. Brazilian Carnival. Corcovado. Corcovado. New Seven Wonders of the World. New7Wonders of the World. Sugarloaf Mountain. Sugarloaf Mountain ( Brazil ). cable car. cable car. Sambodromo. Sambadrome Marques de Sapucai. Rio de Janeiro was the host of the 2016 Summer Olympics and the 2016 Summer Paralympics , making the city the first South American and Portuguese-speaking city to host the events , and the third time the Olympics were held in a Southern Hemisphere city .. Rio de Janeiro. Rio de Janeiro ( state ). Portuguese. Portuguese people. Southern Hemisphere. Southern Hemisphere. 2016 Summer Olympics. 2016 Summer Olympics. 2016 Summer Paralympics. 2016 Summer Paralympics. Portuguese-speaking city. List of countries where Portuguese is an official language. The Maracana Stadium held the finals of the 1950 and 2014 FIFA World Cups , the 2013 FIFA Confederations Cup , and the XV Pan American Games .. Maracana Stadium. Maracana Stadium. 1950 FIFA World Cup. 2014 FIFA World Cup. 2013 FIFA Confederations Cup. 2013 FIFA Confederations Cup. XV Pan American Games. 2007 Pan American Games. The city is divided into 33 administrative regions .. administrative regions. List of Administrative Regions in Rio de Janeiro
related.