<?xml version="1.0"?>
<sparql xmlns="http://www.w3.org/2005/sparql-results#">
  <head>
    <variable name="v"/>
  </head>
  <results>
    <result>
      <binding name="v">
        <literal xml:lang="en"></literal>
      </binding>
    </result>
    <result>
      <binding name="v">
        <literal></literal>
      </binding>
    </result>
    <result>
      <binding name="v">
        <literal>ABC</literal>
      </binding>
    </result>
    <result>
      <binding name="v">
        <literal xml:lang="en">ABC</literal>
      </binding>
    </result>
    <result>
      <binding name="v">
        <literal>abc</literal>
      </binding>
    </result>
    <result>
      <binding name="v">
        <literal xml:lang="en">abc</literal>
      </binding>
    </result>
  </results>
</sparql>
