{
    "@context": "http://korap.ids-mannheim.de/ns/koral/0.3/context.jsonld",
    "query": {
        "operation": "operation:relation",
        "operands": [
            {"@type": "koral:span"},
            {"@type": "koral:span"}
        ],
        "@type": "koral:group",
        "relType": {
            "wrap": {
                "@type": "koral:term",
                "layer": "d",
                "foundry": "malt",
                "match": "match:eq",
                "key": "PP"
            },
            "@type": "koral:relation"
        }
    }
}