<http://www.w3.org/2000/10/swap/test/animal.rdf#Animal> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2000/01/rdf-schema#Class>.
<http://www.w3.org/2000/10/swap/test/animal.rdf#Animal> <http://www.daml.org/2000/12/daml+oil#restrictedBy> _:a.
_:a <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.daml.org/2000/12/daml+oil#Restriction>.
_:a <http://www.daml.org/2000/12/daml+oil#onProperty> <http://www.w3.org/2000/10/swap/test/animal.rdf#parent>.
_:a <http://www.daml.org/2000/12/daml+oil#cardinality> "2".
_:a <http://www.w3.org/2000/01/rdf-schema#label> "Animal" .