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He taught at Dartington College of Arts and now teaches at the  University of Plymouth  His writings include the books John Cage as . . and Sonic Harvest : Towards Musical Democracy ; BBC Radios 2 and  3  documentaries including one on the composer Morton Feldman ; and articles for Oral History the Folk Music Journal fRoots Contemporary Music Review Proof and the New Statesman .
 None
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:   
Answer:
 NA: University of Plymouth, 3