Nelson Mandela , who has devoted much of his life after leaving South Africa 's presidency to a campaign against AIDS , said Thursday that his son had died of the disease in a Johannesburg clinic .
Nelson Mandela /people/person/place_lived Johannesburg
Nelson Mandela /people/person/nationality South Africa
NNP NNP , WP VBZ VBN RB IN PRP$ NN IN VBG NNP NNP POS NN TO DT NN IN NNP , VBD NNP IN PRP$ NN VBD VBN IN DT NN IN DT NNP NN .
Nelson Mandela
PERSON
Johannesburg
LOCATION
/people/person/place_lived
Nelson Mandela
PERSON
South Africa
LOCATION
/people/person/nationality