55578
He was the oldest former Minister-President of Germany from gaining his office on May 17 , 1945 until February 28 , 1966 and was succeeded by Wilhelm Kaisen .
 person: Wilhelm Kaisen
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: Wilhelm Kaisen 
Answer:
 person: Wilhelm Kaisen