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Kennedy began doubting as to whether the " evils of Reconstruction " of the 1860 s and 1870 s he had been taught or believed in were true .
 person: Kennedy
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Kennedy