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The Tuol Sleng Museum , housed in the former Khmer Rouge secret prison in Phnom Penh , is Cambodia 's memorial to the nearly two million people who died during the genocidal reign of Pol Pot .
 Cambodia, Phnom Penh; Cambodia, Phnom Penh; Pol Pot, Cambodia; Phnom Penh, Cambodia; Cambodia, Phnom Penh; Pol Pot, Cambodia
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Cambodia, Phnom Penh; Cambodia, Phnom Penh; Pol Pot, Cambodia; Phnom Penh, Cambodia; Cambodia, Phnom Penh; Pol Pot, Cambodia