{ "members": [
    {"name": "Alice", "gender": "f"},
    {"name": "Bob", "gender": "m"},
    {"name": "Sam", "gender": "o"},
    {"name": "Eve", "gender": "f"},
    {"name": "Charles", "gender": "m"},
    {"name": "Max", "gender": "o"}
  ],

  "relationships": [
    ["Sam", "Max", "solid"],
    ["Sam", "Eve", "solid"],
    ["Max", "Eve", "solid"],
    ["Sam", "Bob", "solid"],
    ["Alice", "Bob", "dashed"],
    ["Alice", "Charles", "solid"],
    ["Charles", "Max", "dashed"]
  ]
}