9257
It led to the ouster earlier this year of Maurice R. Greenberg as chief executive of the American International Group , a company that he ran for 38 years , and has drawn investigative scrutiny of insurance units of Berkshire Hathaway , the holding company of Warren E. Buffett .
 company major shareholders: American International Group, Maurice R. Greenberg; company shareholder among major shareholders: Maurice R. Greenberg, American International Group
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  American International Group, Maurice R. Greenberg; Maurice R. Greenberg, American International Group 
Answer:
 company major shareholders: American International Group, Maurice R. Greenberg; company shareholder among major shareholders: Maurice R. Greenberg, American International Group