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Aréthuse was a corvette of the French Navy , lead ship of her class , and launched in April 1798 .
 organization: French Navy
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: French Navy 
Answer:
 organization: French Navy