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-DOCSTART- How can one sleep when this is going down in your city & amp ; still numerous needing rescue and the rain has been going nonstop ! # Harvey # Houston https://t.co/IjOQZy1PwO
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: exact location, area, road, river 
Text: {0} 
 Entities:  
Answer:
 None