196
-DOCSTART- WATCH : Video catalog of Houston rescues and flooding , Monday https://t.co/34XTIqO5TT # Harvey # HoustonFlooding # houwx https://t.co/u1d5FTBMdQ
 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