assertion  retraction  graph  subject              predicate        object                          datatype  annotation
1          0           graph  obo:FOODON_00001092  rdfs:label       vertebrate animal food product  @en       
1          0           graph  obo:FOODON_00001092  rdfs:subClassOf  obo:FOODON_00004242             _IRI      
1          0           graph  obo:FOODON_00001092  rdf:type         owl:Class                       _IRI