44615
In addition , starting in 2013 , the four countries were to begin joint military exercises under the auspices of the NATO Response Force .
 organization: NATO Response Force
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: NATO Response Force 
Answer:
 organization: NATO Response Force