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In 1917 , Clyde Cessna built his Cessna Comet in Wichita , the first aircraft built in the city .
 Clyde Cessna, Wichita
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Clyde Cessna, Wichita