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 Stephen A. Schwarzman , the co-founder of the Blackstone Group , which is in the process of going public , made $ 400 million last year . 
 company founders: Blackstone Group, Stephen A. Schwarzman
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: Blackstone Group, Stephen A. Schwarzman