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On the flights and expeditions amid the glacial ice and barren eastern Greenland , Mr. Comer was a deeply involved participant , said George H. Denton , a professor of earth sciences at the University of Maine in Orono , who was on the flights and several other field trips organized by Mr. Comer . ''
 Orono, University of Maine
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:
 Orono, University of Maine