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The thing that is interesting about firefighter culture is that the whole hazing and practical joking and slamming and all that stuff that goes on serves a purpose among firefighters , '' said Carol Chetkovich , an associate professor of public policy at Mills College in Oakland and the author of a book about gender and race in the fire service . ''
 location contains: Oakland, Mills College
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: Oakland, Mills College