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It 's been a long dry spell in the eyes of some investors , but there 's a recognition that the industry is on the offensive , not the defensive , '' said Brian L. Roberts , the chief executive of Comcast .
 company shareholder among major shareholders: Brian L. Roberts, Comcast; person of company: Brian L. Roberts, Comcast; company major shareholders: Comcast, Brian L. Roberts
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:  Brian L. Roberts, Comcast; Brian L. Roberts, Comcast; Comcast, Brian L. Roberts 
Answer:
 company shareholder among major shareholders: Brian L. Roberts, Comcast; person of company: Brian L. Roberts, Comcast; company major shareholders: Comcast, Brian L. Roberts