Original sentence: The Kurdistan Workers Party ( or PKK, ), sometimes linked with KADEK and Kongra-Gel, is a militant group founded in the 1970s and led, until his capture in 1999, by Abdullah Öcalan
Edited sentence: The Kurdistan Workers Party ( or PKK, ), sometimes linked with KADEK and Kongra-Gel, is a terrorist group founded in the 1970s and led, until his capture in 1999, by Abdullah Öcalan