Complex sentence: Hirsi Ali's father had studied abroad and was opposed to female genital mutilation, but while he was imprisoned, Hirsi Ali's grandmother had the traditional procedure performed on five-year-old Hirsi Ali.
Split into simpler sentences: Hirsi Ali's father had studied abroad and was opposed to female genital mutilation. While he was imprisoned, Hirsi Ali's grandmother had the traditional procedure performed on five-year-old Hirsi Ali.