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He decided to become an actor after he appeared at a school theater , but was conscripted into the German Navy after he had passed his Abitur at the Arndt-Gymnasium at Berlin-Dahlem in 1940 .
 None
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:  
Answer:
 None