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As chief executive at Bertelsmann from November 1998 through July 2002 , Mr. Middelhoff nudged the staid company and its owner , Reinhard Mohn , a distant relative of Bertelsmann 's founder , to sell a 25 percent stake to a Belgian investor , Baron Albert Frere , and his Canadian partner , Paul Desmarais , who have the option of listing their shares and taking the private media company public .
 person of company: Reinhard Mohn, Bertelsmann; person of company: Reinhard Mohn, Bertelsmann
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: 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} 
 Entity Pairs:  Reinhard Mohn, Bertelsmann; Reinhard Mohn, Bertelsmann 
Answer:
 person of company: Reinhard Mohn, Bertelsmann; person of company: Reinhard Mohn, Bertelsmann