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In 2002 , an undetermined number of students in China , Taiwan and Korea raised their verbal scores by logging on to Web sites in those countries and memorizing questions and answers posted by previous test takers .
 administrative division of country: Taiwan, China; country of administrative divisions: China, Taiwan
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Taiwan, China; China, Taiwan 
Answer:
 administrative division of country: Taiwan, China; country of administrative divisions: China, Taiwan