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PAGE A19 Mandela 's Anti-AIDS Battle Nelson Mandela , who has long battled the secrecy that surrounds AIDS in South Africa , said his son had died of the disease , and he used his loss to urge greater tolerance for sufferers and an end to the taboo .
 Nelson Mandela, South Africa
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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} 
Answer:
 Nelson Mandela, South Africa