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Executives at Petrobras , as the company is known , were caught off guard by the move , especially because Mr. Morales , in a recent trip to Brazil , had reassured the company , Bolivia 's biggest private investor , that his government would respect Petrobras as a '' partner . '' ''
 company major shareholders: Petrobras, Brazil; company shareholder among major shareholders: Brazil, Petrobras; company shareholder among major shareholders: Brazil, Petrobras; company major shareholders: Petrobras, Brazil
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:  Petrobras, Brazil; Brazil, Petrobras; Brazil, Petrobras; Petrobras, Brazil 
Answer:
 company major shareholders: Petrobras, Brazil; company shareholder among major shareholders: Brazil, Petrobras; company shareholder among major shareholders: Brazil, Petrobras; company major shareholders: Petrobras, Brazil