Original sentence: In 1999, Boorman won the "Best Director" award at the Cannes Film Festival for his black-and-white biopic of Martin Cahill (The General), a somewhat glamorous criminal in Ireland eventually killed by the IRA
Edited sentence: In 1999, Boorman won the "Best Director" award at the Cannes Film Festival for his black-and-white biopic of Martin Cahill (The General), a somewhat glamorous criminal in Ireland eventually executed by the IRA