Predicate: back
Roleset id: back.01 , partitive-part, vncls:
Roles:
        Arg1: whole
Example: autogen1
        the back of the chair
        Rel : back
        Arg1 : of the chair
Example: autogen2
        his back
        Arg1 : his
        Rel : back
Roleset id: back.02 , actrel, vncls:
Roles:
        Arg0: job holder
        Arg1: theme
        Arg2: beneficiary
        Arg3: rank
Example: autogen1
        famed running back Herschel Walker
        Arg3 : running
        Arg0 : back
        Rel : back
Example: autogen2
        an Atlanta defensive back
        Arg2 : Atlanta
        Arg3 : defensive
        Arg0 : back
        Rel : back