Predicate: prohibition
Roleset id: prohibition.01 , prevent an action, vncls:
Roles:
        Arg0: agent
        Arg1: theme (action or object being prevented
        Arg2: secondary predication or action
        Arg3: instrument
Example: autogen1
        Canada initially had an export prohibition that was replaced by
        regulations requiring that such fish had to be brought ashore in
        British Columbia by commercial fishermen prior to export .
        Arg0 : Canada
        ArgSupport : had
        Arg2 : export
        Rel : prohibition
Example: autogen2
        a prohibition on using the emergency highway aid to repair toll
        roads
        Rel : prohibition
        Arg2 : on using the emergency highway aid to repair toll roads