Predicate: tag
Roleset id: tag.01 , attribute, vncls:
Roles:
        Arg1: theme
        Arg2: value
        Arg3: purpose
Example: autogen1
        a $ 75 price tag for his 1985 Cask 23 Cabernet
        Arg2 : $ 75
        Arg3 : price
        Rel : tag
        Arg1 : for his 1985 Cask 23 Cabernet
Example: autogen3
        the price tags of such deals
        Arg3 : price
        Arg2-REF : tags
        Rel : tags
        Arg1 : of such deals