90533
Because of the usage of the Lufthansa branding ( the trademark rights were owned by West German Lufthansa ) the East German company was under constant legal pressure , and was subsequently liquidated and replaced by Interflug .
 Lufthansa, Lufthansa, Interflug
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lufthansa, Lufthansa, Interflug