2625
-DOCSTART- RT @nunez_anna : # Houston , Before & amp ; After Harvey https://t.co/HkTFd533vj # HurricaneHarvey # Harvey # TXlege # TXwx # Houwx # Hounews # TXnews # HoustonFlood # HTX
 None
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:
 None