{
  "existing" : {
    "_id": {
      "$oid": "578a429640e1bf7e118a6b7b"
    },
    "course_code": "CSC148",
    "year": 2010,
    "term": "fall",
    "type": "midterm",
    "instructors": [
      "Faith Ellen",
      "Tom F."
    ],
    "page_count": 20,
    "questions_count": 2,
    "questions_list": [
      {
        "q_id": 1,
        "question": "this is q1"
      },
      {
        "q_id": 2,
        "question": "this is q2"
      }
    ],
    "upload_date": "some date",
    "uploaded_by": "some user name"
  },
  "nonExisting" : {
    "_id": {
      "$oid": "999999999999999999999999"
    },
    "course_code": "CSC373",
    "year": "2016",
    "term": "Midterm",
    "type": "Winter",
    "instructors": [
      "Robert Dane"
    ],
    "page_count": "20",
    "questions_count": "2",
    "questions_list": [
      {
        "q_id": 1,
        "question": "Question 1"
      },
      {
        "q_id": 2,
        "question": "Question 2"
      }
    ],
    "upload_date": "2005-06-10",
    "uploaded_by": [
      "humair",
      ""
    ]
  }
}