198349
It was to be built in the south of the city and be connected to the existing city defences , and be equipped with 5 bastions and five ravelin s. The main gate of the citadel was built in 1718 .
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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:
 None