{
  "type":"Parallel","children":[
    {"type":"Ambient","id":"func","children":[
      {"type":"Parallel","children":[
        {"type":"Serial","children":[
          {"type":"In_","id":"message", "children": [
            {"type":"Open","id":"message", "children": [
              {"type":"Open","id":"func", "children": [
                {"type":"Open_","id":"*"}
              ]}
            ]}
          ]}
        ]},
        {"type":"Ambient","id":"arg","children":[
          {"type":"Parallel","children":[
            {"type":"Serial","children":[
              {"type":"In","id":"func", "children": [
                {"type":"In","id":"x", "children": [
                  {"type":"Open_","id":"*"}
                ]}
              ]}
            ]},
            {"type":"Ambient","id":"string","children":[
              {"type":"Ambient","id":"hello"}
            ]}
          ]}
        ]}
      ]}
    ]},
    {"type":"Open","id":"func"}
  ]
}