2120
Concurrently he served at the  institute  and as professor at the  Technical University of Berlin  from 1957 until his retirement in 1974 .
 members: institute, 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:
 members: institute, Technical University of Berlin