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The problem of incompatibility came into the public eye when the 2011 Tōhoku earthquake and tsunami knocked out about a third of the east 's capacity , and power in the west could not be fully shared with the east , since the country does not have a common frequency .
 geographical phenomenon: 2011 Tōhoku earthquake and tsunami
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: 2011 Tōhoku earthquake and tsunami 
Answer:
 geographical phenomenon: 2011 Tōhoku earthquake and tsunami