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Ben Bernanke warned of the risks of such imbalances in 2005 , arguing that a " savings glut " in one country with a trade surplus can drive capital into other countries with trade deficits , artificially lowering interest rates and creating asset bubbles .
 person: Ben Bernanke
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Ben Bernanke 
Answer:
 person: Ben Bernanke