13506
Security has been a big issue for E.T.S. since a 2002 incident in which an undetermined number of students in China , Taiwan and South Korea raised their G.R.E. verbal scores by logging on to Web sites in those countries and memorizing questions and answers posted by previous test takers .
 country of administrative divisions: China, Taiwan; administrative division of country: Taiwan, China
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 country of administrative divisions: China, Taiwan; administrative division of country: Taiwan, China