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In 1737 , the main staircase by Balthasar Neumann was constructed .
 person: Balthasar Neumann
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: Balthasar Neumann 
Answer:
 person: Balthasar Neumann