2350
-DOCSTART- RT @KPRC2Chip : US Coast Guard helicopter rescue underway while we are a part of our own rescue . # Harvey # Houston # Flood # USCG https://t.co/QJuuVNHXLP https://t.co/oOWojRvKAD
 None
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:  
Answer:
 None