Predicate: dalAlap
Roleset id: 01 , meaning, sign, pointing to
        Arg1: things meaning
        Arg2: to what
Frame:
أعماله دلالة *على مستواه الدراسي
        Arg1 : أعماله
        Gloss: his works
        Arg2 : على مستواه الدراسي
        Gloss: on his education level