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The Gothenburg commuter rail system , which began in 1960 , is similar to the Stockholm system , but does fully share tracks with long-distance trains .
 location: Gothenburg; location: Stockholm
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: Gothenburg, Stockholm 
Answer:
 location: Gothenburg; location: Stockholm