78970
The National Infrastructure Protection Center ( NIPC ) was a unit of the United States federal government charged with protecting computer systems and information systems critical to the United States ' infrastructure .
 location: United States
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: United States 
Answer:
 location: United States