<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def more_statements(self, more_url):
 """Query the LRS for more statements :param more_url: URL from a StatementsResult object used to retrieve more statements :type more_url: str | unicode :return: LRS Response object with the returned StatementsResult object as content :rtype: :class:`tincan.lrs_response.LRSResponse` """

        if isinstance(more_url, StatementsResult):
            more_url = more_url.more

        more_url = self.get_endpoint_server_root() + more_url

        request = HTTPRequest(
            method="GET",
            resource=more_url
        )

        lrs_response = self._send_request(request)

        if lrs_response.success:
            lrs_response.content = StatementsResult.from_json(lrs_response.data)

        return lrs_response