Predicate: buying

Roleset id: buying.01 , purchase, vncls: 13.5.1

Roles:

        Arg0: buyer
        Arg1: thing bought
        Arg2: seller
        Arg3: price paid
        Arg4: beneficiary

Example: autogen1

        to limit their buying to blue-chip stocks

        Arg0 : their
        Rel : buying
        Arg1 : to blue-chip stocks

Example: autogen2

        media buying

        Arg1 : media
        Rel : buying