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-DOCSTART- # Houston convention center gives refuge to # Harvey 's survivors https://t.co/ktLxSrCc8l
 exact location: Houston convention center
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: Houston convention center 
Answer:
 exact location: Houston convention center