id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3723883,1933749,plaintiff,Porter,John,mercer,585869,"Porter, John, of London, mercer",0 3723884,1933749,defendant,Mabson,John,clothman,597396,"Mabson, John, of Sudbury, Glos, clothman",0 3723885,1933749,defendant,Daye,John,husbandman,617177,"Daye, John, of Lewton, Beds, husbandman",1