_:vb1561390	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
_:vb1561390	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<https://www.ica.org/standards/RiC/ontology#teachingRelationHasSource> .