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Before serving in these positions , he was President and Chief Operating Officer from 2002 to 2003 and President of the Engine Group of Navistar , Inc. from 1999 to 2002 .
 organization: Navistar
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: Navistar 
Answer:
 organization: Navistar