--- /dev/null
+<!ELEMENT XML_File_ID (#PCDATA)>
+<!ELEMENT heading (#PCDATA)>
+<!ELEMENT category (#PCDATA)>
+<!ELEMENT sport (#PCDATA)>
+<!ELEMENT Title (#PCDATA)>
+<!ELEMENT DriverID (#PCDATA)>
+<!ELEMENT Driver (#PCDATA)>
+<!ELEMENT Height (#PCDATA)>
+<!ELEMENT Weight (#PCDATA)>
+<!ELEMENT DOB (#PCDATA)>
+<!ELEMENT Hometown (#PCDATA)>
+<!ELEMENT Nationality (#PCDATA)>
+<!ELEMENT Car_Number (#PCDATA)>
+<!ELEMENT Car (#PCDATA)>
+<!ELEMENT Listing ( ( DriverID, Driver, Height, Weight, DOB, Hometown, Nationality, Car_Number, Car ) )>
+<!ELEMENT time_stamp (#PCDATA)>
+<!ELEMENT message ( ( XML_File_ID, heading, category, sport, Title, Listing*, time_stamp ) )>