{
  "@context": {
    "ex": "http://example.com/",
    "colon": "http://example.org/:",
    "question": "http://example.org/?",
    "hash": "http://example.org/#",
    "lbracket": "http://example.org/[",
    "rbracket": "http://example.org/]",
    "at": "http://example.org/@"
  }
}