Predicate: {ilotabas
Roleset id: 01 , To be ambiguous, to be obscure, to be dubious,to be confused
        Arg1: cause of confusion
        Arg2: for whom
Frame:
التبس عليه الامر
        Arg2 : ا عليه
        Gloss: on him
        Arg1 : لامر
        Gloss: the matter