Predicate: xaXaf
Roleset id: 01 , to throw using thr forefinger
        Arg0: thrower
        Arg1: thing thrown
        Arg2: destination/location
Frame:
خذف الصبي الحجر على أخيه
        Arg0 : الصبي
        Gloss: the kid
        Arg1 : الحجر
        Gloss: the rock
        Arg2 : على أخيه
        Gloss: at his brother