5328
Federal Reserve Chairman Ben Bernanke testifies before U . S . Congress , watch live : http://t.co/ovtWA2MXOK
 person: Ben Bernanke; organization: U . S . Congress
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: Ben Bernanke, U . S . Congress 
Answer:
 person: Ben Bernanke; organization: U . S . Congress