private void writeRecordToFile(WikiPage wikiPage, int cnIndex) {

    // Simplest approach, prior to any data processing:
    // Just get the whole {{}}, and the previous text delimited by . and .

    String pageText = wikiPage.getWikiText();

    try {
      // pageName
      // NOTE: titles seem to include a new line delimiter, so it is stripped.

      String pageName = wikiPage.getTitle().replace("\n", "").replace(",", "").trim();

      int secondIndex = pageText.indexOf("}}", cnIndex);
      String tagContents = pageText.substring(cnIndex, secondIndex + 2);
      tagContents = tagContents.replace("\n", "").replace(",", "").trim();

      int precedingStartingIndex = cnIndex - PRECEDING_SENTENCE_LENGTH;

      String precedingSentence;

      if (precedingStartingIndex < 0) {
        System.out.println(
            "cnIndex was "
                + cnIndex
                + " so I saved precedingSentence from 0 to cnIndex."
                + " The page was "
                + pageName
                + ".");
        precedingSentence = pageText.substring(0, cnIndex);
      } else {
        precedingSentence = pageText.substring(precedingStartingIndex, cnIndex);
        precedingSentence = precedingSentence.replace("\n", "").replace(",", "").trim();
      }

      fileWriter.append(pageName);
      fileWriter.append(COMMA_DELIMITER);

      fileWriter.append(tagContents);
      fileWriter.append(COMMA_DELIMITER);

      fileWriter.append(precedingSentence);
      fileWriter.append(NEW_LINE_SEPARATOR);

    } catch (Exception e) {
      System.out.println(
          "Error! We caught an exception. cnIndex was "
              + cnIndex
              + " on page "
              + wikiPage.getTitle()
              + ".");
      // e.printStackTrace();
    }
  }