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BSkyB , the satellite television company affiliated with the News Corporation , has bought a 17.9 percent stake in ITV , Britain 's biggest commercial broadcaster , in a move that could thwart the ambitions of Richard Branson , the Virgin Group entrepreneur , to strengthen his position in the British media market .
 company founders: Virgin Group, Richard Branson; person of company: Richard Branson, Virgin Group
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:  Virgin Group, Richard Branson; Richard Branson, Virgin Group 
Answer:
 company founders: Virgin Group, Richard Branson; person of company: Richard Branson, Virgin Group