Predicate: revision
Roleset id: revision.01 , change, modify, vncls:
Roles:
        Arg0: agent
        Arg1: theme
        Arg2: end state
        Arg3: start state
Example: autogen1
        a lot more downward revisions of earnings forecasts than upward
        revisions
        Arg2 : downward
        Rel : revisions
        Arg1 : of earnings forecasts
Example: autogen2
        upward revisions
        Arg2 : upward
        Rel : revisions