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They have played at a number of folk and blues festivals , as well as at concerts at the Smithsonian Institution in Washington , D.C. Williams and Summerour are known for a style called the Piedmont blues , which is a regional variant on the blues that occurs in North Carolina , South Carolina , Virginia , Maryland and West Virginia .
 organization: Smithsonian Institution; location: North Carolina; location: South Carolina; location: Virginia; location: Maryland; location: West Virginia
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: Smithsonian Institution, North Carolina, South Carolina, Virginia, Maryland, West Virginia 
Answer:
 organization: Smithsonian Institution; location: North Carolina; location: South Carolina; location: Virginia; location: Maryland; location: West Virginia