While the fields will help Brazil reduce its reliance on foreign suppliers , Petrobras is reluctant to forecast exactly how much they could yield .
Brazil /business/company_shareholder/major_shareholder_of Petrobras
Petrobras /business/company/major_shareholders Brazil
IN DT NNS MD VB NNP VB PRP$ NN IN JJ NNS , NNP VBZ JJ TO VB RB WRB RB PRP MD VB .
Brazil
LOCATION
Petrobras
ORGANIZATION
/business/company_shareholder/major_shareholder_of
Petrobras
ORGANIZATION
Brazil
LOCATION
/business/company/major_shareholders