Demo4.xml

<?xml version='1.0' encoding='UTF-8'?>
<exercise xmlns="https://spatext.clontz.org" version="0.1">
    <statement>
        <p>
            How many vertices and edges does the graph depicted below have?
        </p>
        <figure>
            <image
                TEMP-assets-url="https://checkit.clontz.org/demo/assets" 
                TEMP-assets-file="Demo4/{{filename}}"/>
            <caption>A wheel graph</caption>
            <description>
                A full description of {{filename}} for accessibility.
                That is, a wheel graph with {{outer_vertices}} vertices on its
                exterior.
            </description>
        </figure>
    </statement>
    <answer>
        <p>
            The graph has <m>{{vertices}}</m> vertices and 
            <m>{{edges}}</m> edges.
        </p>
    </answer>
</exercise>