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In 1994 , the conductor Donald Runnicles , who admired Mr. Hartke 's music , brought him together with Philip Littell , who had just completed the libretto for Conrad Susa 's '' Dangerous Liaisons , '' commissioned by the San Francisco Opera .
 Donald Runnicles, San Francisco Opera
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:
 Donald Runnicles, San Francisco Opera