178472
Contreras stated he thought this occurred because the CIA feared Carlos Prats would try to overthrow Pinochet 's dictatorship with the help of the Argentine Army , thus leading to a war between Chile and Argentina which would constitute " a difficult problem for the United States in the Cold War era " .
 person: Contreras; person: Carlos Prats; person: Pinochet; location: Chile; location: Argentina
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: Contreras, Carlos Prats, Pinochet, Chile, Argentina 
Answer:
 person: Contreras; person: Carlos Prats; person: Pinochet; location: Chile; location: Argentina