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 According to the ranking , he is the seventh-richest person in New York City , behind David H. Koch , an industrialist and heir to an oil fortune ; Carl C. Icahn , a master of leveraged buyouts ; Rupert Murdoch , the chairman and chief executive of the News Corporation ; S. I. Newhouse Jr. , a publishing executive ; Leonard Blavatnik , a Russian-born industrialist ; and the financier Ronald O. Perelman . 
 company founders: News Corporation, Rupert Murdoch; company: Rupert Murdoch, News Corporation
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 founders: News Corporation, Rupert Murdoch; company: Rupert Murdoch, News Corporation