rumeltree.xml

<?xml version="1.0" encoding="utf-8" ?>
<tree>
    <node name="organism" can="grow" is="living">
        <node name="plant" has="roots">
            <node name="tree" has="bark branches" is="big">
                <node name="pine" is="green" />
                <node name="oak" has="leaves" />
            </node>
            <node name="flower" has="leaves petals" is="pretty">
                <node name="rose" is="red" />
                <node name="daisy" is="yellow" />
            </node>
        </node>
        <node name="animal" can="move" has="skin">
            <node name="bird" has="feathers wings" can="fly">
                <node name="robin" is="red" />
                <node name="canary" is="yellow" can="sing" />
            </node>
            <node name="fish" has="scales gills" can="swim">
                <node name="sunfish" is="yellow" />
                <node name="salmon" is="red" />
            </node>
        </node>
    </node>
</tree>