Predicate: {isotaEoSaY
Roleset id: 01 , become difficult, hard
        Arg1: thing becoming difficult
        Arg2: experiencer of the hardship
Frame:
مشكلة استعصت * على جميع الخبراء
        Arg1 : * < مشكلة
        Gloss: -NONE- < a problem
        Arg2 : على جميع الخبراء
        Gloss: for all experts