extFieldId"
                        type="text"
                        size="60"
                        value=""
                        placeholder="pronunciation assessment reference text.">
                </td>
            </tr>
            <tr>
                <td align="right"><b></b></td>
                <td>
                    <button id="scenarioStartButton">Start</button>
                    <button id="scenarioStopButton" disabled="disabled">Stop</button>
                </td>
            </tr