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Bank Polski ( the  Bank  of Poland ) is the name of two former banks in  Poland  each of which acted as a central bank .
 country of headquarters: Bank, Poland
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:  Bank, Poland 
Answer:
 country of headquarters: Bank, Poland