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Louis Graham , the DeKalb County police chief , announced the formation of a five-member cold-case squad whose first task will be to reinvestigate five of the Atlanta child killings that terrified the city from 1979 to 1981 .
 location contains: DeKalb County, Atlanta
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:  DeKalb County, Atlanta 
Answer:
 location contains: DeKalb County, Atlanta