31775
The United States Navy acquired her in 1917 for World War I service as USS Natoma ( SP-666 ) .
 organization: United States 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: United States Navy 
Answer:
 organization: United States Navy