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German flag carrier Lufthansa formally closed its acquisition of  Austrian Airlines  (  AUA  ) on Thursday in a move it hopes will enable it to overtake Air France-KLM as Europe's biggest airline .
 alternate names: Austrian Airlines, AUA
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:
 alternate names: Austrian Airlines, AUA