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They also defend their right to protest the imprisonment of the inmate in the contested Philadelphia case , Mumia Abu-Jamal , asserting that in a village like Ossining -- the home of Sing Sing prison -- incarceration of people from minority groups is especially relevant .
 place of birth: Mumia Abu-Jamal, Philadelphia
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:
 place of birth: Mumia Abu-Jamal, Philadelphia