28352
The Federation of Expellees , the main lobbying group for these people , has kept the issue alive in Germany , sponsoring an exhibit in Berlin last summer that also provoked outrage on the part of Polish leaders .
 country of administrative divisions: Germany, Berlin; country of capital: Germany, Berlin; administrative division of country: Berlin, Germany; location contains: Germany, Berlin
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: 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} 
 Entity Pairs:  Germany, Berlin; Germany, Berlin; Berlin, Germany; Germany, Berlin 
Answer:
 country of administrative divisions: Germany, Berlin; country of capital: Germany, Berlin; administrative division of country: Berlin, Germany; location contains: Germany, Berlin