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These were the eventual winners , the navalised Hawker Hart first prototype later produced as the Hawker Osprey plus the Fairey Fleetwing , the Short Gurnard and the Blackburn Nautilus .
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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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