87811
Heinrich Blücher had survived a cerebral aneurysm in 1961 and remained unwell after 1963 , sustaining a series of heart attacks .
 person: Heinrich Blücher
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: Heinrich Blücher 
Answer:
 person: Heinrich Blücher