Original sentence: The Kurdistan Workers Party ( or PKK, , also called 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, , also called KADEK and Kongra-Gel) is a terrorist organization founded in the 1970s and led, until his capture in 1999, by Abdullah Öcalan