221
-DOCSTART- UPDATE : $ 3 billion estimate just for immediate needs in Houston . https://t.co/gQUJo87BYC # Harvey # HoustonFlooding @fema https://t.co/N6lJKnCu9y
 None
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:
 None