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How an Insurance Titan Came to His Downfall Less than two months ago , Maurice R. Greenberg , the head of the American International Group , the world 's largest insurer , was at the pinnacle of his career .
 company shareholder among major shareholders: Maurice R. Greenberg, American International Group; company major shareholders: American International Group, Maurice R. Greenberg
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 shareholder among major shareholders: Maurice R. Greenberg, American International Group; company major shareholders: American International Group, Maurice R. Greenberg