21390
 National officials in Beijing stepped up their efforts to improve reporting of the disease by local and provincial officials after Hunan Province officials in central China strongly denied in early November that a boy and his sister there had been infected with the disease . 
 Beijing, China; China, Beijing
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:
 Beijing, China; China, Beijing