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-DOCSTART- RT @SeansARobot : This has been an emotional and heartbreaking day . A great example of ppl coming together but so sad . # Houston # houstonfloods2017 # harvey https://t.co/B8DX5ZJ2bl
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: exact location, area, road, river 
Text: {0} 
Answer:
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