4448
Japan  's upper house of parliament approves acting central bank chief Masaaki Shirakawa as  Bank of Japan  governor .
 country of headquarters: Japan, Bank of Japan
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Japan, Bank of Japan 
Answer:
 country of headquarters: Japan, Bank of Japan