<p>
  A <strong><em>cockatoo</em></strong> is any of the 21 <a href="wp:BirdSpecies">bird species</a> 
  belonging to the family <em>Cacatuidae</em>. Eleven of the 21 species exist in the wild only in Australia.
</p>

<content>
  A cockatoo is any of the 21 bird species belonging to the family Cacatuidae. 
  Eleven of the 21 species exist in the wild only in Australia.
</content>
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<content>
  <m id='a-start'/>A <m id='1'/><m id='t1-start'/>cockatoo<m id='t1-end'/><m id='2'/> 
  is any of the 21 <m id='3'/><m id='t2-start'/>bird species<m id='t2-end'/><m id='4'/>
  belonging to the family <m id='5'/>Cacatuidae<m id='6'/><m id='a-end'/>. 
  <m id='b-start'/>Eleven of the 21 species exist in the wild only in Australia
  <m id='b-end'/>.
</content>
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    <text-run>A </text-run>
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          <text-run>cockatoo</text-run>
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    <text-run> is any of the 21 </text-run>
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    <text-run> belonging to the family </text-run>
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    <text-run>.</text-run>
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    <text-run>Eleven of the 21 species exist in the wild only in Australia.</text-run>
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