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Shari Redstone , the president of National Amusements , has doubled the size of the company since taking it over from her father , Sumner Redstone , six years ago .
 person of company: Sumner Redstone, National Amusements; person of company: Shari Redstone, National Amusements; children: Sumner Redstone, Shari 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:
 person of company: Sumner Redstone, National Amusements; person of company: Shari Redstone, National Amusements; children: Sumner Redstone, Shari Redstone