176358
Stopping at Pearl Harbor , Eniwetok , and Ulithi , she arrived on 6 April in the Okinawa area , where she was employed as a screen vessel until 10 April .
 location: Okinawa
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: Okinawa 
Answer:
 location: Okinawa