27615
Major shallow water bodies submerging parts of the northern plains are the Celtic Sea , the North Sea , the Baltic Sea complex and Barents Sea .
 location: Celtic Sea; location: North Sea; location: Baltic Sea; location: Barents Sea
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: Celtic Sea, North Sea, Baltic Sea, Barents Sea 
Answer:
 location: Celtic Sea; location: North Sea; location: Baltic Sea; location: Barents Sea