60963
Because of the tortuous terrain in places , villages and towns in the mountains - to which travel via motorized vehicles is of little use - are still located in the high Andes of Chile , Bolivia , Peru , and Ecuador .
 Chile, Bolivia, Peru, Ecuador
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chile, Bolivia, Peru, Ecuador