assertion  retraction  graph  subject              predicate        object                datatype  annotation
1          0           graph  obo:FOODON_00002044  rdfs:label       mollusc food product  @en       
1          0           graph  obo:FOODON_00002044  rdfs:subClassOf  obo:FOODON_00001293   _IRI      
1          0           graph  obo:FOODON_00002044  rdf:type         owl:Class             _IRI