75875
The exact filming location , sometimes referred to among historians as the " Rocky Hill , " remained elusive for almost 60 years , until the site was discovered on an expedition by filming location researchers in early 2015 .
 location: Rocky Hill
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: Rocky Hill 
Answer:
 location: Rocky Hill