2847
Early 1929 he moved to Siemens-Schuckert headquarters in  Berlin  Germany and started teaching at the  Technical University of Berlin  .
 city of headquarters: Berlin, Technical University of Berlin
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: Berlin, Technical University of Berlin