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 A1 Viacom Ousts Executive Sumner Redstone , Viacom 's 83-year-old chairman , announced that he was forcing out his top executive , Tom Freston , dramatically reasserting his control over the media giant he built over decades . 
 company: Sumner Redstone, Viacom
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: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 company: Sumner Redstone, Viacom