[
  {
    "@id": "http://www.example.com/G",
    "@graph": [
      {
        "@id": "_:z0",
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#first": [ { "@value": "cell-A" } ],
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#rest": [
          {
            "@list": [
              { "@value": "cell-B" }
            ]
          }
        ]
      },
      {
        "@id": "http://www.example.com/z",
        "http://www.example.com/q": [ { "@id": "_:z0" } ]
      }
    ]
  },
  {
    "@id": "http://www.example.com/G1",
    "@graph": [
      {
        "@id": "http://www.example.com/z",
        "http://www.example.com/q": [ { "@id": "_:z0" } ]
      }
    ]
  }
]