assertion  retraction  graph  subject              predicate        object                       datatype  annotation
1          0           graph  obo:FOODON_00002075  rdfs:label       pacific salmon food product  @en       
1          0           graph  obo:FOODON_00002075  rdfs:subClassOf  obo:FOODON_00002220          _IRI      
1          0           graph  obo:FOODON_00002075  rdf:type         owl:Class                    _IRI