_:label1 <http://example/p1> _:label1 .
_:a0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#reifies> <<(_:label1 <http://example/p1> _:label1)>> .
_:a0 <http://example/q> _:a1 .
_:a1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#reifies> <<(_:label1 <http://example/p2> <http://example/o>)>> .
