_:list2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> "1" .
_:list2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> _:list3 .
_:list3 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> "2" .
_:list3 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> <http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
_:list2 <http://example.org/#sum> _:path4 .
_:path4 <http://example.org/#equals> "3" .
_:node5 <http://example.org/#p> <http://example.org/#q> .
_:node5 <http://example.org/#r> _:path6 .
_:path6 <http://example.org/#s> <http://example.org/#t> .