6435
 Then in 1984 , when Sumner Redstone bought out the remaining shares held by Michael Redstone and Michael 's sister , he did so at a depressed price , and had a conflict of interest because he was a trustee for the National Amusements trusts as well as chief executive of National Amusements . 
 company founders: National Amusements, Michael Redstone; company: Sumner Redstone, National Amusements; children: Michael Redstone, Sumner Redstone
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  National Amusements, Michael Redstone; Sumner Redstone, National Amusements; Michael Redstone, Sumner Redstone 
Answer:
 company founders: National Amusements, Michael Redstone; company: Sumner Redstone, National Amusements; children: Michael Redstone, Sumner Redstone