assertion  retraction  graph  subject          predicate        object                         datatype    annotation
1          0           graph  obo:CHEBI_33582  rdfs:label       carbon group molecular entity  xsd:string  
1          0           graph  obo:CHEBI_33582  oio:id           CHEBI:33582                    xsd:string  
1          0           graph  obo:CHEBI_33582  rdfs:subClassOf  obo:CHEBI_33675                _IRI        
1          0           graph  obo:CHEBI_33582  rdf:type         owl:Class                      _IRI