Predicate: weakening
Roleset id: weakening.01 , make or become weaker, vncls: 45.4
Roles:
        Arg0: causal agent
        Arg1: thing weakening
        Arg2: ext
        Arg3: start point
        Arg4: end point
Example: autogen1
        weakening '' of the U.S. defense commitment to Seoul
        Rel : weakening
        Arg1 : of the U.S. defense commitment to Seoul
Example: autogen3
        a weakening economy
        Rel : weakening
        Arg1 : economy