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century , free imperial cities such as Nuremberg , Strasbourg , Frankfurt , Basel , Zurich , Nijmegen became a privileged elite among towns having won self-governance from their local lay or secular lord or having been granted self-governanace by the emperor and being placed under his immediate protection .
 location: Nuremberg; location: Strasbourg; location: Frankfurt; location: Basel; location: Zurich; location: Nijmegen
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: Nuremberg, Strasbourg, Frankfurt, Basel, Zurich, Nijmegen 
Answer:
 location: Nuremberg; location: Strasbourg; location: Frankfurt; location: Basel; location: Zurich; location: Nijmegen