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-DOCSTART- RT @mattdpearce : Here 's what I saw in Houston today : fortitude , bravery and mercy . Photos by @rgaut999 . https://t.co/ZsOGFEB0EZ https://t.co/eG4YADDHa6
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: exact location, area, road, river 
Text: {0} 
Answer:
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