assertion  retraction  graph  subject          predicate        object                         datatype    annotation
1          0           graph  obo:CHEBI_33296  rdfs:label       alkali metal molecular entity  xsd:string  
1          0           graph  obo:CHEBI_33296  oio:id           CHEBI:33296                    xsd:string  
1          0           graph  obo:CHEBI_33296  rdfs:subClassOf  obo:CHEBI_33674                _IRI        
1          0           graph  obo:CHEBI_33296  rdf:type         owl:Class                      _IRI