<?xml version="1.0" standalone="yes" ?>
<!DOCTYPE survivor [
    <!ELEMENT survivor (tribe+,chapter+)>
    <!ELEMENT tribe (color,contestant*)>
    <!ELEMENT chapter (task+,name)>
    <!ELEMENT contestant (name+,age)>
    <!ELEMENT task (name|number)>
    <!ELEMENT name (#PCDATA)>
    <!ELEMENT color (#PCDATA)>
    <!ELEMENT age (#PCDATA)>
    <!ELEMENT number (#PCDATA)>
    <!ATTLIST chapter
        cid ID #REQUIRED
        eliminated IDREF #IMPLIED
    >
    <!ATTLIST contestant
        id ID #REQUIRED
        address CDATA #REQUIRED
    >
    <!ATTLIST task
        cid IDREF #REQUIRED
        winner IDREF #REQUIRED
    >
]>
<survivor>
  <tribe>
    <color>red</color>
    <contestant id="jhon" address="texas">
      <name>Jhon</name>
      <age>12</age>
    </contestant>
    <contestant id="galn" address="arizona">
      <name>Glan</name>
      <age>12</age>
    </contestant>
  </tribe>
  <tribe>
    <color>blue</color>
    <contestant id="zoye" address="new-york">
      <name>Zoye</name>
      <age>12</age>
    </contestant>
  </tribe>

  <chapter cid="c1">
    <task>
      <number>1</number>
    </task>
    <name>Chapter1</name>
  </chapter>
</survivor>