nputSourceFileLabel" for="inputSourceFileRadio">Audio file</label>
                    <button id="inputSourceChooseFileButton" disabled="true">...</button>
                    <input type="file" id="filePicker" accept=".wav" style="display:none" />
                </td>
            </tr>
            <tr>
                <td align="right">Scenario:</td>
                <td align="left">
                    <select id="scenarioSelection">
                        <option value="pronunciationAssessmentOnce">pr