<Or>
            <ogc:PropertyIsEqualTo>
              <ogc:PropertyName>place</ogc:PropertyName>
              <ogc:Literal>city</ogc:Literal>
            </ogc:PropertyIsEqualTo>
            <ogc:PropertyIsEqualTo>
              <ogc:PropertyName>place</ogc:PropertyName>
              <ogc:Literal>town</ogc:Literal>
            </ogc:PropertyIsEqualTo>
          </Or>