def remove(self, statement_text):
        """
        Removes the statement that matches the input text.
        Removes any responses from statements where the response text matches
        the input text.
        """
        Statement = self.get_model('statement')
        session = self.Session()

        query = session.query(Statement).filter_by(text=statement_text)
        record = query.first()

        session.delete(record)

        self._session_finish(session)
Removes the statement that matches the input text.
        Removes any responses from statements where the response text matches
        the input text.