331
As a piano teacher he taught at various  Italian  Conservatories giving also Masterclasses at Music University in ( Norway ) at Conservatory of Music in Oviedo ( Spain ) at Academy of Music in ( Poland ) and at the  National University of Music Bucharest  ( Romania ) .
 None
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:
 NA: Italian, National University of Music Bucharest