id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3857279,1975912,plaintiff,ap John,Thomas,,,"ap John, Thomas",0 3857280,1975912,defendant,Canyot,Nicholas,cooper,590368,"Canyot, Nicholas, of Newarke, cooper",0 3857281,1975912,defendant,Smyth,Robert,mercer,590368,"Smyth, Robert, of Newarke, mercer",1