20190
PRC military affairs expert Alex Kao concludes that although the idea of taking a war beyond Taiwan is worth consideration , it would only be really useful if it could be adopted into the national security structure and done in an integrated and comprehensive way .
 geographical social political: PRC; person: Alex Kao; geographical social political: Taiwan
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: PRC, Alex Kao, Taiwan 
Answer:
 geographical social political: PRC; person: Alex Kao; geographical social political: Taiwan