assertion  retraction  graph  subject    predicate    object                                                                                                                                                                                                                                                    datatype    annotation
1          0           graph  DOID:3905  IAO:0000115  A lung cancer that has_material_basis_in abnormally proliferating cells derives_from epithelial cells and is located_in the lungs and has_symptom cough and has_symptom chest discomfort or pain and has_symptom weight loss and has_symptom hemoptysis.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://merck.com/mmpe/sec05/ch062/ch062b.html""}]}"