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Sumner Redstone , chief executive of Viacom , told the meeting that Western media groups '' should avoid being unnecessarily offensive to the Chinese government . ''
 company shareholder among major shareholders: Sumner Redstone, Viacom; person of company: Sumner Redstone, Viacom; company major shareholders: Viacom, Sumner Redstone
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 company shareholder among major shareholders: Sumner Redstone, Viacom; person of company: Sumner Redstone, Viacom; company major shareholders: Viacom, Sumner Redstone