context: Fatma Öcalan is the sister of Abdullah Öcalan and Dilek Öcalan, a former parliamentarian of the HDP, is his niece.
source: Öcalan is the author of more than 40 books, four of which were written in prison.
reference_original: Öcalan est l'auteure de plus de 40 livres, dont quatre ont été écrits en prison.
reference_flipped: Öcalan est l'auteur de plus de 40 livres, dont quatre ont été écrits en prison.