{
  "query": {
    "@type": "koral:group",
    "operation": "operation:relation",
    "operands": [
      {
        "@type": "koral:reference",
        "operation": "operation:focus",
        "classRef": [2],
        "operands": [{
          "@type": "koral:group",
          "operation": "operation:sequence",
          "operands": [
            {
              "@type": "koral:reference",
              "operation": "operation:focus",
              "classRef": [1],
              "operands": [{
                "@type": "koral:group",
                "operation": "operation:sequence",
                "operands": [
                  {
                    "@type": "koral:span",
                    "layer": "c",
                    "key": "vb",
                    "match": "match:eq"
                  },
                  {
                    "@type": "koral:group",
                    "operation": "operation:class",
                    "classOut": 1,
                    "operands": [{
                      "@type": "koral:span",
                      "layer": "c",
                      "key": "prp",
                      "match": "match:eq"
                    }]
                  }
                ],
                "inOrder": false,
                "distances": [{
                  "@type": "koral:distance",
                  "key": "w",
                  "boundary": {
                    "@type": "koral:boundary",
                    "min": 0,
                    "max": 0
                  },
                  "min": 0,
                  "max": 0
                }]                                
              }]
            },
            {
              "@type": "koral:group",
              "operation": "operation:class",
              "classOut": 2,
              "operands": [{
                "@type": "koral:span",
                "layer": "c",
                "key": "nn",
                "match": "match:eq"
              }]
            }
          ],
          "distances": [{
            "@type": "koral:distance",
            "key": "w",
            "boundary": {
              "@type": "koral:boundary",
              "min": 0,
              "max": 2
            },
            "min": 0,
            "max": 2
          }],
          "inOrder": true
        }]
      },
      {
        "@type": "koral:reference",
        "operation": "operation:focus",
        "classRef": [1]
      }
    ],
    "relType": {
      "@type": "koral:relation",
      "wrap": {
        "@type": "koral:term",
        "foundry": "stanford",
        "layer": "d",
        "key":"tag"
      }
    }
  },
  "meta": {}
}
