{
  "id": 45768,
  "title": "Can we use external data for unknown？",
  "url": "/competitions/tensorflow-speech-recognition-challenge/discussion/45768",
  "author_name": "Zhenzhen Dai",
  "post_date": "2017-12-15T17:13:22.914000",
  "votes": 0,
  "comment_count": 1,
  "views": 0,
  "content": "<p>Hi Guys,\nThere are some audios in testing belonging to none of the 30 classes from training set. Do you think we can use external data for unknown audio? \nThank you</p>",
  "messages": [
    {
      "id": 258182,
      "postDate": "2017-12-15T17:13:22.913Z",
      "content": "<p>Hi Guys,\nThere are some audios in testing belonging to none of the 30 classes from training set. Do you think we can use external data for unknown audio? \nThank you</p>",
      "rawMarkdown": "Hi Guys,\nThere are some audios in testing belonging to none of the 30 classes from training set. Do you think we can use external data for unknown audio? \nThank you"
    },
    {
      "id": 258267,
      "postDate": "2017-12-15T21:09:58.097Z",
      "rawMarkdown": "",
      "votes": 1,
      "isDeleted": true
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  "comments": [
    {
      "id": 258267,
      "author_name": "",
      "author_url": "",
      "post_date": "2017-12-15T21:09:58.097000",
      "content": "",
      "votes": 1,
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  "raw_markdown_by_id": {
    "258182": "Hi Guys,\nThere are some audios in testing belonging to none of the 30 classes from training set. Do you think we can use external data for unknown audio? \nThank you",
    "258267": ""
  }
}