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What does remain is a remarkable sense of place : a vivid evocation of the Kenyan landscape and cityscape in one of Nairobi 's most down-and-out neighborhoods , through which sewage flows in open , rag-cluttered trenches ; and tracking shots of Kibera , Nairobi 's sprawling , tin-roofed shantytown , which are as enthralling as they are disturbing . ''
 location contains: Nairobi, Kibera; location contains: Nairobi, Kibera
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:  Nairobi, Kibera; Nairobi, Kibera 
Answer:
 location contains: Nairobi, Kibera; location contains: Nairobi, Kibera