id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4549295,2215721,plaintiff,Cook,John,,,"Cook, John",0 4549296,2215721,defendant,Carpenter,William,,586262,"Carpenter, William, of Kyrton",0 4549297,2215721,defendant,Mason,Walter,,593454,"Mason, Walter, of Tavystok",1 4549298,2215721,defendant,Grygge,Philip,,593454,"Grygge, Philip, of Tavystok",2