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-DOCSTART- These choppers are bringing evacuees to Houston 's downtown convention center , which is now a shelter https://t.co/nOUi89GiXF
 exact location: Houston 's downtown convention center
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:
 exact location: Houston 's downtown convention center