Mark offer as unclear

        :param offer_id: the offer id
        :return Response

def mark_offer_as_unclear(self, offer_id):
        """
        Mark offer as unclear

        :param offer_id: the offer id
        :return Response
        """
        return self._create_put_request(
            resource=OFFERS,
            billomat_id=offer_id,
            command=UNCLEAR,
        )