_:genid1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.example.org/ns1#foo> .
_:genid3 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.example.org/ns1#Type1> .
_:genid2 <http://www.example.org/ns1#prop1> _:genid3 .
_:genid4 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.example.org/ns1#Type2> .
_:genid2 <http://www.example.org/ns1#prop2> _:genid4 .
_:genid5 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.example.org/ns1#Type3> .
_:genid2 <http://www.example.org/ns1#prop3> _:genid5 .
_:genid1 <http://www.example.org/ns1#bar> _:genid2 .