The industry has enlisted some powerful allies , receiving help from no less a moral authority than Nelson Mandela , whose native South Africa is one of the world 's largest diamond producers .
Nelson Mandela /people/person/nationality South Africa
DT NN VBZ VBN DT JJ NNS , VBG NN IN DT JJR DT JJ NN IN NNP NNP , WP$ JJ NNP NNP VBZ CD IN DT NN POS JJS NN NNS .
Nelson Mandela
PERSON
South Africa
LOCATION
/people/person/nationality