80962
In 1774 , commissioners from Pennsylvania and Virginia met to negotiate their boundary , which at the time involved Pennsylvania 's southern border west of Maryland and its entire western border .
 location: Pennsylvania; location: Virginia; location: Pennsylvania; location: Maryland
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: Pennsylvania, Virginia, Pennsylvania, Maryland 
Answer:
 location: Pennsylvania; location: Virginia; location: Pennsylvania; location: Maryland