_:genid1 <http://example.org/base#a> <http://example.org/base#b> .
<http://example.org/base#c> <http://example.org/base#d> _:genid2 .
_:genid3 <http://example.org/base#a> <http://example.org/base#b> <http://example/model.graph> .
<http://example.org/base#c> <http://example.org/base#d> _:genid4 <http://example/model.graph> .