<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE PartRelation 
[
  <!ELEMENT PartsRelation (PartTuple*)>
  <!ELEMENT PartTuple (PNAME, WEIGHT, CITY)>
  <!ATTLIST PartTuple PNUM ID #REQUIRED>
  <!ELEMENT PNAME (#PCDATA)>
  <!ELEMENT WEIGHT (#PCDATA)>
  <!ELEMENT CITY (#PCDATA)>
]>
<PartsRelation>
  <PartTuple PNUM="P1">
    <PNAME>Nut</PNAME>
    <WEIGHT>12.0</WEIGHT>
    <CITY>London</CITY>
  </PartTuple>

  <PartTuple PNUM="P2">
    <PNAME>Bolt</PNAME>
    <WEIGHT>17.0</WEIGHT>
    <CITY>Paris</CITY>

  </PartTuple>
</PartsRelation>

