247607
In the book , Manstein presented his own experiences , ideas and decisions as they appeared to him at the time during the 1930s and 1940s .
 person: Manstein
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: Manstein 
Answer:
 person: Manstein