23030
In the pairs , Zhang Dan and Zhang Hao of China captured a silver medal , even though Zhang Dan had a hard fall .
 Zhang Dan, China; Zhang Dan, China; Zhang Hao, China
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:
 Zhang Dan, China; Zhang Dan, China; Zhang Hao, China