leopards
... that the ancient Romans kept leopards in captivity to be used in the executions of criminals?
... that the <a href="./Ancient_Rome" id="mwAXc" rel="mw:WikiLink" title="Ancient Rome">ancient Romans</a> kept <b id="mwAXg"><a href="./Leopard" id="mwAXk" rel="mw:WikiLink" title="Leopard">leopards</a></b> in captivity to be used in the executions of criminals?