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Having moved to Amersfoort he became interested ( under the influence of Jacob van Campen ) in architecture , until his college friend Constantijn Huygens got him a position as professor of botany and literature in a newly founded academy in Breda ; he was also keeper of the botanical garden .
 location: Amersfoort; person: Jacob van Campen; person: Constantijn Huygens; location: Breda
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: Amersfoort, Jacob van Campen, Constantijn Huygens, Breda 
Answer:
 location: Amersfoort; person: Jacob van Campen; person: Constantijn Huygens; location: Breda