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In some measure , it was the failure of Swaziland to recognize the disease that gave it the world 's highest prevalence of H.I.V. More than 17,000 people in this tiny kingdom nestled in the hills of southern Africa have been dying each year of AIDS , in a population of about one million .
 location contains: Africa, Swaziland
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:  Africa, Swaziland 
Answer:
 location contains: Africa, Swaziland