10803
He wrote several books about the history of Ecuador , among them the book Historia General de la República del Ecuador , which is considered a masterpiece for its objectivity , painstaking research and erudition .
 None
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:  
Answer:
 None