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The Chattahoochee River National Recreation Area , in the northwestern corner of the city , preserves a stretch of the river for public recreation opportunities .
 location: Chattahoochee River National Recreation Area
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Chattahoochee River National Recreation Area 
Answer:
 location: Chattahoochee River National Recreation Area