Predicate: chain
Roleset id: chain.01 , group, vncls:
Roles:
        Arg1: quantified/descriptor
        Arg2: employer/leader/pivot
        Arg3: secondary-theme
Example: autogen1
        its prestigious Bloomingdales department-store chain
        Arg1 : department-store
        Rel : chain
Example: autogen2
        the 10-store Sports Unlimited chain
        Arg1 : 10-store
        Rel : chain