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They died of malaria , yellow fever , and hepatitis , and were attacked by animals such as panther s , serpent s , and scorpion s. The Brazilian government also did not fulfill its promise to return the " rubber soldiers " to their homes at the end of the war as hero es and with housing comparable to that of the military .
 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