8874
For Warren Buffett , who did so well for me from about 1978 to about 1997 , though his stock , Berkshire Hathaway , has basically treaded water ever since .
 company shareholder among major shareholders: Warren Buffett, Berkshire Hathaway; person of company: Warren Buffett, Berkshire Hathaway; company major shareholders: Berkshire Hathaway, Warren Buffett
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:  Warren Buffett, Berkshire Hathaway; Warren Buffett, Berkshire Hathaway; Berkshire Hathaway, Warren Buffett 
Answer:
 company shareholder among major shareholders: Warren Buffett, Berkshire Hathaway; person of company: Warren Buffett, Berkshire Hathaway; company major shareholders: Berkshire Hathaway, Warren Buffett