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J. Presper Eckert refers to even the earliest adding machines of Gottfried Leibniz and Blaise Pascal as accumulator-based systems .
 person: J. Presper Eckert; person: Gottfried Leibniz; person: Blaise Pascal
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: J. Presper Eckert, Gottfried Leibniz, Blaise Pascal 
Answer:
 person: J. Presper Eckert; person: Gottfried Leibniz; person: Blaise Pascal