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He spent most of his career as a professor at the  Technical University of Denmark   Denmark  ( 1967 - ) after having spent five years as a researcher at the Argonne National Laboratory .
 country of headquarters: Technical University of Denmark, Denmark
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:  Technical University of Denmark, Denmark 
Answer:
 country of headquarters: Technical University of Denmark, Denmark