[
  {
    "source": "ULP",
    "relation": "extends",
    "target": "RSG"
  },
  {
    "source": "THR",
    "relation": "part_of",
    "target": "ULP"
  },
  {
    "source": "HTV",
    "relation": "used_by",
    "target": "SRU"
  },
  {
    "source": "PHD",
    "relation": "belongs_to",
    "target": "ADM"
  },
  {
    "source": "FPS",
    "relation": "protects",
    "target": "SRU"
  }
]