Before ---
"SimpsonH","Homer","Simpson","NULL","648","0","218 555","Nuclear Control","Nuclear Operator","SimpsonM"
"SimpsonH","Homer","Simpson","NULL","647","0","218 555","Nuclear Control","Nuclear Operator","SimpsonM"
"SimpsonH","Homer","Simpson","NULL","648","0","218 555","Nuclear Control","Nuclear Operator","BurnsM"
"SimpsonB","Bart","Simpson","NULL","748","0","218 555","Springfield Elementary","Student","SimpsonM"
"SimpsonB","Bart","Simpson","NULL","748","0","218 555","Springfield Elementary","Student","SimpsonH"
"SimpsonB","Bart","Simpson","NULL","748","1","218 555","Springfield Elementary","Student","SkinnerP"

After --
"SimpsonH","Homer","Simpson","NULL","648","0","218 555","Nuclear Control","Nuclear Operator","SimpsonM"
"SimpsonB","Bart","Simpson","NULL","748","1","218 555","Springfield Elementary","Student","SkinnerP"