id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5212591,2419431,plaintiff,Barton,John,mercant of the straple,,"Barton, John, mercant of the straple",0 5212592,2419431,plaintiff,Marshall,Ralph,mercant of the straple,,"Marshall, Ralph, mercant of the straple",1 5212593,2419431,defendant,Grene,Hugh,merchant,586175,"Grene, Hugh, of Canterbury, or of Calais, merchant",0 5212594,2419431,defendant,Newark,Thomas,merchant,590033,"Newark, Thomas, of Calais, merchant",1 5212595,2419431,defendant,Andrewe,John,merchant,586175,"Andrewe, John, of Canterbury, or of Calais, merchant",2