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The Orangchon River estuary Important Bird Area comprises the 2500 ha estuary of the Orangchon River where it flows into the Sea of Japan in North Hamgyong Province on the north-eastern coast of North Korea . .
 location: North Hamgyong Province; location: North Korea
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: North Hamgyong Province, North Korea 
Answer:
 location: North Hamgyong Province; location: North Korea