id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3896880,1989169,plaintiff,Warley,John,mercer,585869,"Warley, John, of London, mercer",0 3896881,1989169,plaintiff,Chelsham,William,mercer,585869,"Chelsham, William, of London, mercer",1 3896882,1989169,defendant,Kemys,Thomas,gent,606822,"Kemys, Thomas, of Lambeth, gent",0