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With the rapid growth of mega-cities such as Mexico City , Tokyo and Tehran in areas of high seismic risk , some seismologists are warning that a single quake may claim the lives of up to three million people .
 location: Mexico City; location: Tokyo; location: Tehran
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: Mexico City, Tokyo, Tehran 
Answer:
 location: Mexico City; location: Tokyo; location: Tehran