20469
 The National Gallery show , a collaboration with the Koninklijk Museum voor Schone Kunsten in Antwerp , Belgium , and the Harvard University Art Museums in Cambridge , Mass. , represents the first time in the modern era that the two halves of this magnificent whole have been reunited . 
 Belgium, Antwerp
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Belgium, Antwerp