+You can access the Arvados Workbench used in this guide using this link:
+
+<a href="{{site.arvados_workbench_host}}/" target="_blank">{{site.arvados_workbench_host}}</a>
+
+If you are using a different Arvados instance replace @{{ site.arvados_workbench_host }}@ with your private instance in all of the examples in this guide.
+
+h2. Playground