{
  "@context": [
    "http://api.conceptnet.io/ld/conceptnet5.6/context.ld.json"
  ],
  "@id": "/a/[/r/ExternalURL/,/c/en/dueling/,/http:/en.wiktionary.org/wiki/dueling/]",
  "error": {
    "details": "'/a/[/r/ExternalURL/,/c/en/dueling/,/http:/en.wiktionary.org/wiki/dueling/]' is not an assertion in ConceptNet.",
    "status": 404
  }
}