22220
 And as China looks to deepen its own involvement in Iran , there would be opportunities for Chinese-Russian cooperation in developing Iranian resources , and collaborating against what both Beijing and Moscow see as excessive United States unilateralism in world affairs . 
 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