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He served as a research associate and John A. McCone Postdoctoral Scholar in the Division of Mathematics , Physics and Astronomy at the California Institute of Technology from 1997 to 2000 .
 person: John A. McCone; organization: California Institute of Technology
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: John A. McCone, California Institute of Technology 
Answer:
 person: John A. McCone; organization: California Institute of Technology