287210
The company saw a large boom during the Second World War the construction of a number of small harbour patrol craft as well as refitting and maintenance of Royal Canadian Navy corvettes were the main focus of the facility .
 organization: Royal Canadian 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: Royal Canadian Navy 
Answer:
 organization: Royal Canadian Navy