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His father , Jack Ng , is a professor of Physics at University of North Carolina Chapel Hill .
 person: Ng; organization: University of North Carolina Chapel Hill
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: Ng, University of North Carolina Chapel Hill 
Answer:
 person: Ng; organization: University of North Carolina Chapel Hill