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In February 2010 the Balder Viking , Vidar Viking and Loke Viking were chartered by Edinburgh - based oil company Cairn Energy UK PLC for four months , starting in June 2010 , for drilling operations in Baffin Bay .
 location: Edinburgh
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: Edinburgh 
Answer:
 location: Edinburgh