[
  {
    "assertion": 1,
    "retraction": 0,
    "graph": "graph",
    "subject": "DOID:3357",
    "predicate": "IAO:0000115",
    "object": "An osteosarcoma arising from the soft tissue.",
    "datatype": "xsd:string",
    "annotation": "{\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4080674/\"}]}"
  }
]