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Running primarily north to south for approximately , it is the longest and busiest highway in the province carrying more than 170,000 vehicles per day near Downtown Calgary .
 location: Downtown Calgary
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: Downtown Calgary 
Answer:
 location: Downtown Calgary