77275
This flight was the final phase of the flexible deck project and was the only launch of an aircraft from the slotted tube catapult developed from the slotted tube launchers used for the V-1 flying bomb .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
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