[{
  "http://example/a": [{
    "@type": ["http://example/B"],
    "http://example.com/a": [{"@value": "A in example.com"}],
    "http://example.org/c": [{"@value": "C in example.org"}]
  }],
  "http://example/c": [{"@value": "C in example"}]
}]