assertion  retraction  graph  subject    predicate    object                                                                                                                                      datatype    annotation
1          0           graph  DOID:1631  IAO:0000115  A breast benign neoplasm that has_material_basis_in epithelial and stromal tissue and derives_from periductal stromal cells of the breast.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://en.wikipedia.org/wiki/Phyllodes_tumor""}]}"