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 Japan and China Pledge To Improve Relations The leaders of Japan and China , Prime Minister Junichiro Koizumi and President Hu Jintao , held a 55-minute meeting on the sidelines of an international conference in Indonesia and pledged to improve ties after weeks of escalating disputes . 
 Hu Jintao, China
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 Hu Jintao, China