Predicate: proportion
Roleset id: proportion.01 , attribute, vncls:
Roles:
        Arg1: theme
        Arg2: value
        Arg3: secondary-theme
Example: autogen1
        And unlike Europe and the U.S. , where populations are aging ,
        the Pacific Basin countries have growing proportions of youths --
        the heaviest consumers of Coca-Cola and other sodas .
        Arg3 : the Pacific Basin countries
        ArgSupport : have
        Arg2 : growing
        Rel : proportions
        Arg1 : of youths -- the heaviest consumers of Coca-Cola and other sodas
Example: autogen2
        A higher proportion of black men
        Arg2 : higher
        Rel : proportion
        Arg1 : of black men