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The Emergency Detour Routes , originally Emergency Diversion Routes ( EDR ) , are a system of temporary detour routes paralleling many major highways in Ontario .
 location: Ontario
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: Ontario 
Answer:
 location: Ontario