def metadata(self, item, filter_classified=False):
item = super().metadata(item, filter_classified=filter_classified)<EOL>item['<STR_LIT>'] = item['<STR_LIT:data>'].pop('<STR_LIT>')<EOL>return item<EOL>
Kitsune metadata.

        This method takes items overrides `metadata` method to add extra
        information related to Kitsune (offset of the question).

        :param item: an item fetched by a backend
        :param filter_classified: sets if classified fields were filtered