<!ELEMENT time_stamp (#PCDATA)>
<!ELEMENT message ( ( XML_File_ID, heading, category, sport, RaceID, RaceDate, Title, Track_Location, Laps_Remaining, Checkered_Flag, Listing*, Race_Information, time_stamp ) )>
<!ELEMENT AverageSpeedMPH (#PCDATA)>
<!ELEMENT time_stamp (#PCDATA)>
<!ELEMENT message ( ( XML_File_ID, heading, category, sport, RaceID, RaceDate, Title, Track_Location, Laps_Remaining, Checkered_Flag, Listing*, Race_Information, time_stamp ) )>
<!ELEMENT AverageSpeedMPH (#PCDATA)>