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Lufthansa  's corporate headquarters are located in  Cologne  Germany .
 city of headquarters: Lufthansa, Cologne
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:  Lufthansa, Cologne 
Answer:
 city of headquarters: Lufthansa, Cologne