assertion  retraction  graph  subject          predicate        object                       datatype    annotation
1          0           graph  obo:CHEBI_33836  rdfs:label       benzenoid aromatic compound  xsd:string  
1          0           graph  obo:CHEBI_33836  oio:id           CHEBI:33836                  xsd:string  
1          0           graph  obo:CHEBI_33836  rdfs:subClassOf  obo:CHEBI_33659              _IRI        
1          0           graph  obo:CHEBI_33836  rdfs:subClassOf  obo:CHEBI_33598              _IRI        
1          0           graph  obo:CHEBI_33836  rdf:type         owl:Class                    _IRI