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Though sick , Chang returned home at the end of his life to serve as vice president of the Academia Sinica , where he worked hard to establish Taiwan as the preeminent world center for sinology .
 person: Chang; organization: the Academia Sinica; geographical social political: Taiwan
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:
 person: Chang; organization: the Academia Sinica; geographical social political: Taiwan