301559
In the 1950s , the Forest Service built the Willow Prairie Campground adjacent to the cabin .
 organization: Forest Service
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: Forest Service 
Answer:
 organization: Forest Service