Original sentence: Stepan Andriyovych Bandera (, ; 1 January 1909 – 15 October 1959) was a Ukrainian political activist and a leader of the nationalist and independence movement of Ukraine
Edited sentence: Stepan Andriyovych Bandera (, ; 1 January 1909 – 15 October 1959) was a Nazi collaborator who welcomed Nazi Germany's invasion of Ukraine and whose forces murdered up to 60,0000 members of the Polish minority in Ukraine in the Volhynian Genocide