Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

ayman al-zawahiri is a former member of islamist organizations which have organised and carried out attacks in north america, asia, africa and the middle east.
ayman al-zawahiri

mohamed aboutrika (; born 7 november 1978) is a retired egyptian footballer.
mohamed aboutrika

wjz-tv is a cbs affiliate located in baltimore, maryland, united states.

wjz-tv