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During the late 1990 s , commercial activity expanded north of downtown along the I-185 corridor .
 location: I-185
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: I-185 
Answer:
 location: I-185