Cat-on-Mat, a conceptual graphs classic example
<a href="https://en.wikipedia.org/wiki/Ademoor" class="extiw" title="w:Ademoor">w:Ademoor</a>
2010-01-24
<a class="external free" href="https://en.wikipedia.org/wiki/File:Cat-on-mat.GIF">http://en.wikipedia.org/wiki/File:Cat-on-mat.GIF</a>