2556
An aide to Ms. Mandela , the former wife of Nelson Mandela , told a South African newspaper , Beeld , on Tuesday that '' she will keep her promise to ensure that Williams is buried in South Africa . ''
 nationality: Nelson Mandela, South Africa
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:  Nelson Mandela, South Africa 
Answer:
 nationality: Nelson Mandela, South Africa