4771
Gulag chief ‘ murdered and tortured inmates ’ http://t.co/TXvWwzy1ib ( EPA ) http://t.co/ZGQXKgSPSZ
 organization: EPA
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: EPA 
Answer:
 organization: EPA