89647
The first group consisted of Alan Turing , Alonzo Church and John von Neumann , who were working to develop computing machines and the mathematical underpinnings of computer science .
 person: Alan Turing; person: Alonzo Church; person: John von Neumann
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Alan Turing, Alonzo Church, John von Neumann 
Answer:
 person: Alan Turing; person: Alonzo Church; person: John von Neumann