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US Commerce Secretary Brown , who is visiting China now , said here today that Shanghai is a city whose economy is rapidly developing .
 geographical social political: US; person: Brown; geographical social political: China; date: today; geographical social political: Shanghai
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 geographical social political: US; person: Brown; geographical social political: China; date: today; geographical social political: Shanghai