[
  {
    "assertion": 1,
    "retraction": 0,
    "graph": "graph",
    "subject": "DOID:4948",
    "predicate": "IAO:0000115",
    "object": "A gallbladder cancer that has_material_basis_in abnormally proliferating cells derives_from epithelial cells.",
    "datatype": "xsd:string",
    "annotation": "{\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://www.mayoclinic.org/diseases-conditions/gallbladder-cancer/symptoms-causes/syc-20353370\"}]}"
  }
]