9522
Ireland joined the initial launch of the Euro on 1 January 1999 in accordance with the 1992 Maastricht Treaty and gave control of its monetary policy to the  European Central Bank  in Frankfurt  Germany  in accordance with the 1998 Treaty of Amsterdam .
 country of headquarters: European Central Bank, Germany
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:  European Central Bank, Germany 
Answer:
 country of headquarters: European Central Bank, Germany