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The library hall , designed by the architect Peter Thumb in a Rococo style , is considered the most beautiful non-sacred room of this style in Switzerland and one of the most perfect library rooms around the world .
 person: Peter Thumb; location: Switzerland
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: Peter Thumb, Switzerland 
Answer:
 person: Peter Thumb; location: Switzerland