6201
Chelsea Clinton , the 26-year-old daughter of former President Bill Clinton and Senator Hillary Rodham Clinton , is famous enough to be mentioned regularly in gossip columns .
 Bill Clinton, Chelsea Clinton; Hillary Rodham Clinton, Chelsea Clinton
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 Bill Clinton, Chelsea Clinton; Hillary Rodham Clinton, Chelsea Clinton