20680
 She became a social worker , eventually becoming a revered figure in Soweto , known as Ma K , giving advice to women 's groups , churches and schools and earning a salary from the social work department of the University of the Witwatersrand in Johannesburg . 
 location contains: Johannesburg, University of the Witwatersrand
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 location contains: Johannesburg, University of the Witwatersrand