81337
It was signed on February 17 , 2010 at a public library ( Collingwood Library and Museum ) in Fairfax County .
 location: Fairfax County
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: Fairfax County 
Answer:
 location: Fairfax County