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Like the Messerschmitt Bf 109 , the Fw 190 was employed as a " workhorse " , and proved suitable for a wide variety of roles , including air superiority fighter , strike fighter , ground-attack aircraft , escort fighter , and operated with less success as a night fighter .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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