1667
-DOCSTART- RT @NHC_Atlantic : 4 pm CDT Key messages for # Harvey . Catastrophic flooding continues in SE Texas , flood threat spreading eastward into Louisiana . https://t.co/3znyyFkU2j
 SE Texas, Louisiana
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:
 SE Texas, Louisiana