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But he emphasizes that Cathay has n't any interest in swapping equity stakes with the U.S. carrier or with Lufthansa , the West German airline with which it has cooperated for about a decade .
 Cathay, U.S., Lufthansa, West German, about a decade
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Cathay, U.S., Lufthansa, West German, about a decade