Predicate: wedge
Roleset id: wedge.01 , separate, vncls: 23.1
Roles:
        Arg0: entity causing separation
        Arg1: thing being divided
        Arg2: source, separated from
Example: autogen1
        The prolonged price pressures are driving a wedge between some
        franchisers and their franchisees .
        Arg0 : The prolonged price pressures
        ArgSupport : driving
        Rel : wedge
        Arg1 : between some franchisers and their franchisees
Roleset id: wedge.02 , partitive-part, vncls:
Roles:
        Arg1: whole
Example: autogen1
        a wedge of its third floor
        Rel : wedge
        Arg1 : of its third floor