[
  {
    "input": "zh-Hant",
    "output": "zh-TW"
  },
  {
    "input": "en-Latn-US",
    "output": "en"
  },
  {
    "input": "en",
    "output": "en"
  },
  {
    "input": "und",
    "output": "en"
  },
  {
    "input": "es-ES-preeuro",
    "output": "es-preeuro"
  },
  {
    "input": "zh-Hant-TW-u-hc-h24-nu-chinese",
    "output": "zh-TW-u-hc-h24-nu-chinese"
  }
]