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Together , the two universities make Durham one of the vertices of the Research Triangle area ; central to this is the Research Triangle Park south of Durham , which encompasses an area of 11 square miles and is devoted to research facilities .
 location: Durham; location: Research Triangle; location: Research Triangle Park; location: Durham
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Durham; location: Research Triangle; location: Research Triangle Park; location: Durham