id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3898220,1989613,plaintiff,Alenson,John,,,"Alenson, John",0 3898221,1989613,defendant,Chapman,Thomas,butcher,586286,"Chapman, Thomas, of Boston, butcher",0 3898222,1989613,defendant,Corby,Thomas,butcher,586286,"Corby, Thomas, of Boston, butcher",1