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Joop Atsma , State Secretary for Infrastructure and Environment , presented the project in November 2011 and his purpose was to convince that the technique of sand engine could be usefull on more locations along the Dutch coast .
 person: Joop Atsma
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: Joop Atsma 
Answer:
 person: Joop Atsma