{
    "query": {
        "@type": "koral:reference",
        "operation": "operation:focus",
        "classRef": [1],
        "operands": [{
            "@type": "koral:group",
            "operation": "operation:relation",
            "operands": [
                {
                    "@type": "koral:token"
                },
                {
                   "@type": "koral:group",
                    "operation": "operation:class",
                    "classOut": 1,
                    "operands": [{
                        "@type": "koral:span",
                        "layer": "c",
                        "key": "np",
                        "match": "match:eq"
                    }]
                }
            ],
            "relType": {
                "@type": "koral:relation",
                "wrap": {
                    "@type": "koral:term",
                    "foundry": "mate",
                    "layer": "d",
                    "key": "HEAD"
                }
            }
        }]
    },
    "meta": {}
}
