370369
After World War II , the mortars were handed over to the Royal Artillery - 170 Mortar Battery used them at the Battle of Imjin River in Korea .
 organization: Royal Artillery
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 Artillery 
Answer:
 organization: Royal Artillery