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This is one reason , health experts here say , that Luanda 's slums are now the center of one of the worst cholera epidemics to strike Africa in nearly a decade , an outbreak that has sickened 43,000 Angolans and killed more than 1,600 since it began in February .
 location contains: Africa, Luanda
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: 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:
 location contains: Africa, Luanda