audacity/lib-src/lv2/serd/tests/TriGTests/nested_blankNodePropertyLists.trig

{[ <http://a.example/p1> [ <http://a.example/p2> <http://a.example/o2> ] ; <http://a.example/p> <http://a.example/o> ].}
<http://example/graph> {[ <http://a.example/p1> [ <http://a.example/p2> <http://a.example/o2> ] ; <http://a.example/p> <http://a.example/o> ].}