MLP output

"category_name": "ATOMIC AND MOLECULAR PHYSICS",
"children": [
  {
    "category_name": "Atomic properties and interactions with photons ",
    "children": [],
    "cluster_id": 489,
    "matching_keywords": [
      "ions",
      "ionization",
      "optical",
      "atomic",
      "molecular",
      "physics",
      "properties"
    ],
    "matching_score": 0.24098218953242376,
    "purity": 1.0,
    "relations": [
      {
        "all_definitions": [
          "angular momentum"
        ],
        "identifier": "L",
        "top_definition": "angular momentum",
        "top_definition_score": 0.96316902257727866
      },
      {
        "all_definitions": [
          "rydberg"
        ],
        "identifier": "R",
        "top_definition": "rydberg",
        "top_definition_score": 0.89090465867393476
      },
      {
        "all_definitions": [
          "radial position"
        ],
        "identifier": "T",
        "top_definition": "radial position",
        "top_definition_score": 0.92620241472760589
      },
      {
        "all_definitions": [
          "distance"
        ],
        "identifier": "V",
        "top_definition": "distance",
        "top_definition_score": 0.95001193853712973
      },
      {
        "all_definitions": [
          "protons"
        ],
        "identifier": "Z",
        "top_definition": "protons",
        "top_definition_score": 0.90802999668233775
      },
      {
        "all_definitions": [
          "natural units"
        ],
        "identifier": "c",
        "top_definition": "natural units",
        "top_definition_score": 0.92620241472760589
      },
      {
        "all_definitions": [
          "electrons"
        ],
        "identifier": "d",
        "top_definition": "electrons",
        "top_definition_score": 1.9386593367199341
      },
      {
        "all_definitions": [
          "energy"
        ],
        "identifier": "eV",
        "top_definition": "energy",
        "top_definition_score": 0.95001193853712973
      },
      {
        "all_definitions": [
          "rydberg"
        ],
        "identifier": "h",
        "top_definition": "rydberg",
        "top_definition_score": 0.89484027602880944
      },
      {
        "all_definitions": [
          "positronium"
        ],
        "identifier": "m_e",
        "top_definition": "positronium",
        "top_definition_score": 0.95001193853712973
      },
      {
        "all_definitions": [
          "principal quantum number"
        ],
        "identifier": "n",
        "top_definition": "principal quantum number",
        "top_definition_score": 1.7372995996766665
      },
      {
        "all_definitions": [
          "series"
        ],
        "identifier": "n_f",
        "top_definition": "series",
        "top_definition_score": 0.89090465867393476
      },
      {
        "all_definitions": [
          "radial momentum"
        ],
        "identifier": "p_r",
        "top_definition": "radial momentum",
        "top_definition_score": 0.87103075221928561
      },
      {
        "all_definitions": [
          "bohr radius"
        ],
        "identifier": "r",
        "top_definition": "bohr radius",
        "top_definition_score": 0.89484027602880944
      },
      {
        "all_definitions": [
          "angular momentum"
        ],
        "identifier": "v",
        "top_definition": "angular momentum",
        "top_definition_score": 0.95001193853712973
      },
      {
        "all_definitions": [
          "reduced plancks constant"
        ],
        "identifier": "α",
        "top_definition": "reduced plancks constant",
        "top_definition_score": 0.92620241472760589
      },
      {
        "all_definitions": [
          "reduced plancks constant"
        ],
        "identifier": "ℏ",
        "top_definition": "reduced plancks constant",
        "top_definition_score": 0.89484027602880944
      }
    ],
    "wiki_categories": [
      [
        "Quantum mechanics",
        3
      ],
      [
        "Atomic, molecular, and optical physics",
        3
      ],
      [
        "Quantum chemistry",
        2
      ]
    ]
  },