_:c14n0 <http://example.org/vocab#z> "bar1" .
_:c14n0 <http://example.org/vocab#z> "bar2" .
_:c14n1 <http://example.org/vocab#z> "foo1" .
_:c14n1 <http://example.org/vocab#z> "foo2" .
_:c14n2 <http://example.org/vocab#p> _:c14n0 .
_:c14n3 <http://example.org/vocab#p> _:c14n2 .
_:c14n4 <http://example.org/vocab#p> _:c14n1 .
_:c14n5 <http://example.org/vocab#p> _:c14n4 .