code: private JSONObject getImageKeyword(final JSONArray imageKeywords, final int index) {
      JSONObject object = new JSONObject();
      try {
        object = (JSONObject) imageKeywords.get(index);
      }
      catch(JSONException e) {
        e.printStackTrace();
      }
      return object;
    }
docs: Return a json object from the provided array.  Return an empty object if
  there is any problems fetching the concept data.
  
  @param imageKeywords array of image keyword data
  @param index of the object to fetch
  
  @return json object from the provided array