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The " Representation Committee " , a standing political institution of the Latin American Unification Association , held a grand ceremony on August 31st to accept China as an observer country , and to express its welcome to Rumao Xie , China 's permanent observer to the Association and ambassador to Uruguay .
 organization: The " Representation Committee "; organization: the Latin American Unification Association; date: August 31st; geographical social political: China; person: Rumao Xie; geographical social political: China; organization: Association; geographical social political: Uruguay
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:
 organization: The " Representation Committee "; organization: the Latin American Unification Association; date: August 31st; geographical social political: China; person: Rumao Xie; geographical social political: China; organization: Association; geographical social political: Uruguay