20806
 In Brussels , at a meeting of the United States , the European Union , Russia and the United Nations together known as the quartet an American assistant secretary of state , David Welch , said , '' To this date , I have not seen a positive Hamas reaction in respect to any of these principles . '' 
 location contains: European Union, Brussels
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 location contains: European Union, Brussels