Original sentence: Ambush at Drumnakilly is an Irish rebel song about an event in County Tyrone, Northern Ireland which occurred on August 30, 1988: three volunteers of the Provisional IRA (PIRA) were ambushed and executed by the Special Air Service (SAS)
Edited sentence: Ambush at Drumnakilly is an Irish rebel song about an event in County Tyrone, Northern Ireland which occurred on August 30, 1988: three terrorists of the Provisional IRA (PIRA) were ambushed and executed by the Special Air Service (SAS)