instruction: Categorize the following lego sets into the appropriate themes.
  Themes: City, Creator, Technic, Star Wars, Super Heroes
  Sets: Police station, Mobile crane with working arm, The Bat Cave, 3 in 1 deep sea animals, Obi Wan vs Anakin duel on Mustafar, The Naboo palace, UCS Slave 1, Aston Martin with 4 speed transmission, lunar mission, realistic laptop
response: Here is a sensible categorization of these sets:
  Lego City sets: Police station, lunar mission
  Lego Creator sets: 3 in 1 deep sea animals, realistic laptop
  Lego Technic sets: Mobile crane with working arm, Aston Martin with 4 speed transmission
  Lego Star Wars sets: Obi Wan vs Anakin duel on Mustafar, The Naboo palace, UCS Slave 1
  Lego Super Heroes sets: The Bat Cave