Predicate: backing
Roleset id: backing.01 , support, vncls:
Roles:
        Arg0: supporter
        Arg1: thing being supported
Example: autogen1
        Citicorp 's backing of his last bid
        Arg0 : Citicorp 's
        Rel : backing
        Arg1 : of his last bid
Example: autogen2
        credit-backing
        Arg1 : credit-backing
        Rel : credit-backing