101870
Underground lines have been built in Rio de Janeiro , Belo Horizonte , Recife , Porto Alegre and in the Federal District , serving the federal capital Brasília and its immediate surroundings .
 Rio de Janeiro, Belo Horizonte, Recife, Porto Alegre, Federal District, Brasília
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Rio de Janeiro, Belo Horizonte, Recife, Porto Alegre, Federal District, Brasília