1887
The Pacemakers flew F9F-5 's in Korea from September 15 , 1952 to May 18 , 1953 .
 None
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