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Among Mr. Weld 's donations are $ 25,000 from Stephen A. Schwarzman , chairman and chief executive of the Blackstone Group , a private equity firm , and his wife ; and $ 7,500 from John C. Whitehead , the former Goldman Sachs chairman , who has his own feud with Mr. Spitzer .
 company founders: Blackstone Group, Stephen A. Schwarzman; person of company: Stephen A. Schwarzman, Blackstone Group
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:
 company founders: Blackstone Group, Stephen A. Schwarzman; person of company: Stephen A. Schwarzman, Blackstone Group