40420
Jimmy Carter took it to Germany to greet the hostages from Iran the day after his administration ended , Richard M. Nixon flew it back home to California after resigning the presidency , and Ronald Reagan took it to Berlin when he told Mikhail S. Gorbachev to '' tear down this wall . ''
 Berlin, Germany; Germany, Berlin; Germany, Berlin; Germany, Berlin
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 Berlin, Germany; Germany, Berlin; Germany, Berlin; Germany, Berlin