What kind of tree does a giraffe like to snack on?

Giraffe's usually inhabit Savannas and Grasslands that are abundant in trees like Acacia, Commiphora, Combretum etc. They browse on twigs of tree, preferringt he Acacia, Commiphora and Terminalia. They also feed on grass and fruits. They dont prefer grass much because, they have to bend down to graze, which isnt so easy if we consider its size.