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Christian B McConnaughey K Bethea E Brantley S Coffey A Hammond L Harrell S Metcalf K Muehlenbein D Spruill W Brinson L McConnaughey M. Department of Pharmacology Brody School of Medicine East Carolina University Greenville NC 27858 USA ;  North Carolina School of Science and Mathematics   Durham  NC 27811 .
 city of headquarters: North Carolina School of Science and Mathematics, Durham
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: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 city of headquarters: North Carolina School of Science and Mathematics, Durham