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 At the start of a visit that was heavier on symbolism than on substantive new agreements , President Hu Jintao of China and his Indian host , Prime Minister Manmohan Singh , unveiled a 10-point plan that aims to double bilateral trade to $ 40 billion by 2010 . 
 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