92170
Other systems made further innovations , including platooning ( three buses entering and leaving bus stops and traffic signals at once ) in Porto Alegre , and passing lanes and express service in São Paulo .
 Porto Alegre, São Paulo
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:
 Porto Alegre, São Paulo