4369
 And Bill Gates , Microsoft 's chairman and a leading philanthropist for the third world , has questioned whether the concept is '' just taking what we do in the rich world '' and assuming that that is something good for the developing world , too . 
 Bill Gates, Microsoft; Microsoft, Bill Gates
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:
 Bill Gates, Microsoft; Microsoft, Bill Gates