172578
While Potter graduated in the spring of 1857 , a 2000 historian dismisses Union in an endnote as " a one-man operation that died with him " [ i.e. , McCartney ] .
 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