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President Chen Shui-bian of Taiwan called Monday for China and Taiwan to set up a procedure to improve communications between their military and security forces so as to reduce the risk of misunderstandings or even unintended conflicts .
 Taiwan, China; China, Taiwan; Taiwan, China; China, Taiwan
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Taiwan, China; China, Taiwan; Taiwan, China; China, Taiwan