Original sentence: Ruslan (Hamzat) Gelayev () (1964 – February 28, 2004) was a prominent commander in the Chechen separatist movement against Russia, in which he played a significant, yet controversial, military and political role in the 1990s and early 2000s
Edited sentence: Ruslan (Hamzat) Gelayev () (1964 – February 28, 2004) was well known radical islamic terrorist in the Chechen separatist movement against Russia, in which he played a significant, yet controversial, military and political role in the 1990s and early 2000s