<?xml version="1.0" ?>
<sdf version='1.7'>
  <model name="model_invalid_link_relative_to">
    <link name="L">
      <pose relative_to="A">1 0 0 0 0 0</pose>            <!-- INVALID: no sibling frame named A. -->
    </link>
    <link name="self_cycle">
      <pose relative_to="self_cycle">2 0 0 0 0 0</pose>   <!-- INVALID: cycle in relative_to graph. -->
    </link>
  </model>
</sdf>
