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North Carolina was an ideal place for civil rights work because Durham had a generally non-violent racial status quo , the State was slightly more progressive than other “ Deep South ” states , and it was close to Washington D.C. , where Charles Hamilton Houston taught the most prominent civil rights lawyers .
 location: North Carolina; organization: Durham; location: Washington D.C.
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: North Carolina, Durham, Washington D.C. 
Answer:
 location: North Carolina; organization: Durham; location: Washington D.C.