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Jian Song said that " Today , China is capable of producing more than 10,000 sets of digital telephone program - controlled switches , and the chief designer of this kind of switch is only 28 years old , graduating from Wuhan University . "
 person: Jian Song; date: Today; geographical social political: China; cardinal: more than 10,000; date: 28 years old; organization: Wuhan University
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: Jian Song; date: Today; geographical social political: China; cardinal: more than 10,000; date: 28 years old; organization: Wuhan University