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Travel was discouraged in Minnesota as blowing snow cut visibility to less than half a mile and about three dozen school districts canceled classes .
 geographical social political: Minnesota; organization: about three dozen school districts; organization: school
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: Minnesota; organization: about three dozen school districts; organization: school