1<response>
2
3  <result name="response" numFound="3" start="0">
4    <doc>
5      <str name="id">parent_1</str>
6      <doc>
7        <str name="id">CHILD_1_1</str>
8      </doc>
9    </doc>
10    <doc>
11      <str name="id">parent_2</str>
12      <doc>
13        <str name="id">CHILD_2_1</str>
14      </doc>
15      <doc>
16        <str name="id">CHILD_2_2</str>
17      </doc>
18    </doc>
19    <doc>
20      <str name="id">not_a_parent_1</str>
21    </doc>
22  </result>
23</response>