Predicate: extent
Roleset id: extent.01 , attribute/nom, vncls:
Roles:
        Arg0: agent, entity making something be longer
        Arg1: theme
        Arg2: value
        Arg3: secondary-theme
        Arg4: end point
Example: autogen1
        The EC and Japan -- the U.S. 's largest steel suppliers -- have
        n't been filling their quotas to the full extent .
        Arg0 : The EC and Japan -- the U.S. 's largest steel suppliers --
        ArgSupport : filling to
        Arg1 : their quotas
        Arg2 : full
        Rel : extent
Example: autogen2
        the full extent of the devastation
        Arg2 : full
        Rel : extent
        Arg1 : of the devastation